Home / 115,923.60-173,885.40-89,679.60

Finding the Fourth Proportional to 115,923.60, 173,885.40 and 89,679.60

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Solution

The fourth proportional to 115,923.60, 173,885.40 and 89,679.60 is: 134,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,923.60 : 173,885.40 = 89,679.60 : x
  2. Step 2: Convert to fraction form
    115,923.60/173,885.40 = 89,679.60/x
  3. Step 3: Cross multiply
    115,923.60x = 173,885.40 × 89,679.60
  4. Step 4: Simplify right side
    115,923.60x = 15,593,973,117.84
  5. Step 5: Solve for x
    x = 15,593,973,117.84/115,923.60
  6. Step 6: Final answer
    x = 134,519.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.