Home / 102,439.68-153,680.40-58,086.24

Finding the Fourth Proportional to 102,439.68, 153,680.40 and 58,086.24

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Solution

The fourth proportional to 102,439.68, 153,680.40 and 58,086.24 is: 87,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,439.68 : 153,680.40 = 58,086.24 : x
  2. Step 2: Convert to fraction form
    102,439.68/153,680.40 = 58,086.24/x
  3. Step 3: Cross multiply
    102,439.68x = 153,680.40 × 58,086.24
  4. Step 4: Simplify right side
    102,439.68x = 8,926,716,597.70
  5. Step 5: Solve for x
    x = 8,926,716,597.70/102,439.68
  6. Step 6: Final answer
    x = 87,141.20

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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.