Home / 129,250.28-193,875.48-40,510.70

Finding the Fourth Proportional to 129,250.28, 193,875.48 and 40,510.70

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Solution

The fourth proportional to 129,250.28, 193,875.48 and 40,510.70 is: 60,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,250.28 : 193,875.48 = 40,510.70 : x
  2. Step 2: Convert to fraction form
    129,250.28/193,875.48 = 40,510.70/x
  3. Step 3: Cross multiply
    129,250.28x = 193,875.48 × 40,510.70
  4. Step 4: Simplify right side
    129,250.28x = 7,854,031,407.64
  5. Step 5: Solve for x
    x = 7,854,031,407.64/129,250.28
  6. Step 6: Final answer
    x = 60,766.07

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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.