Home / 131,022.92-180,812.24-74,437.40

Finding the Fourth Proportional to 131,022.92, 180,812.24 and 74,437.40

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Solution

The fourth proportional to 131,022.92, 180,812.24 and 74,437.40 is: 102,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,022.92 : 180,812.24 = 74,437.40 : x
  2. Step 2: Convert to fraction form
    131,022.92/180,812.24 = 74,437.40/x
  3. Step 3: Cross multiply
    131,022.92x = 180,812.24 × 74,437.40
  4. Step 4: Simplify right side
    131,022.92x = 13,459,193,033.78
  5. Step 5: Solve for x
    x = 13,459,193,033.78/131,022.92
  6. Step 6: Final answer
    x = 102,723.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.