Home / 141,812.10-212,718.15-137,000.70

Finding the Fourth Proportional to 141,812.10, 212,718.15 and 137,000.70

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Solution

The fourth proportional to 141,812.10, 212,718.15 and 137,000.70 is: 205,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.10 : 212,718.15 = 137,000.70 : x
  2. Step 2: Convert to fraction form
    141,812.10/212,718.15 = 137,000.70/x
  3. Step 3: Cross multiply
    141,812.10x = 212,718.15 × 137,000.70
  4. Step 4: Simplify right side
    141,812.10x = 29,142,535,452.71
  5. Step 5: Solve for x
    x = 29,142,535,452.71/141,812.10
  6. Step 6: Final answer
    x = 205,501.05

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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.