Home / 115,525.40-173,417.70-89,346.20

Finding the Fourth Proportional to 115,525.40, 173,417.70 and 89,346.20

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Solution

The fourth proportional to 115,525.40, 173,417.70 and 89,346.20 is: 134,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,525.40 : 173,417.70 = 89,346.20 : x
  2. Step 2: Convert to fraction form
    115,525.40/173,417.70 = 89,346.20/x
  3. Step 3: Cross multiply
    115,525.40x = 173,417.70 × 89,346.20
  4. Step 4: Simplify right side
    115,525.40x = 15,494,212,507.74
  5. Step 5: Solve for x
    x = 15,494,212,507.74/115,525.40
  6. Step 6: Final answer
    x = 134,119.53

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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.