Home / 224,368.30-309,572.19-137,131.12

Finding the Fourth Proportional to 224,368.30, 309,572.19 and 137,131.12

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Solution

The fourth proportional to 224,368.30, 309,572.19 and 137,131.12 is: 189,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,368.30 : 309,572.19 = 137,131.12 : x
  2. Step 2: Convert to fraction form
    224,368.30/309,572.19 = 137,131.12/x
  3. Step 3: Cross multiply
    224,368.30x = 309,572.19 × 137,131.12
  4. Step 4: Simplify right side
    224,368.30x = 42,451,981,135.55
  5. Step 5: Solve for x
    x = 42,451,981,135.55/224,368.30
  6. Step 6: Final answer
    x = 189,206.68

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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.