Home / 115,459.20-173,188.80-70,941.60

Finding the Fourth Proportional to 115,459.20, 173,188.80 and 70,941.60

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Solution

The fourth proportional to 115,459.20, 173,188.80 and 70,941.60 is: 106,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,459.20 : 173,188.80 = 70,941.60 : x
  2. Step 2: Convert to fraction form
    115,459.20/173,188.80 = 70,941.60/x
  3. Step 3: Cross multiply
    115,459.20x = 173,188.80 × 70,941.60
  4. Step 4: Simplify right side
    115,459.20x = 12,286,290,574.08
  5. Step 5: Solve for x
    x = 12,286,290,574.08/115,459.20
  6. Step 6: Final answer
    x = 106,412.40

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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.