Home / 142,534.11-213,874.94-103,414.12

Finding the Fourth Proportional to 142,534.11, 213,874.94 and 103,414.12

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Solution

The fourth proportional to 142,534.11, 213,874.94 and 103,414.12 is: 155,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,534.11 : 213,874.94 = 103,414.12 : x
  2. Step 2: Convert to fraction form
    142,534.11/213,874.94 = 103,414.12/x
  3. Step 3: Cross multiply
    142,534.11x = 213,874.94 × 103,414.12
  4. Step 4: Simplify right side
    142,534.11x = 22,117,688,710.15
  5. Step 5: Solve for x
    x = 22,117,688,710.15/142,534.11
  6. Step 6: Final answer
    x = 155,174.71

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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.