Home / 105,414.27-158,142.57-38,854.74

Finding the Fourth Proportional to 105,414.27, 158,142.57 and 38,854.74

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Solution

The fourth proportional to 105,414.27, 158,142.57 and 38,854.74 is: 58,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,414.27 : 158,142.57 = 38,854.74 : x
  2. Step 2: Convert to fraction form
    105,414.27/158,142.57 = 38,854.74/x
  3. Step 3: Cross multiply
    105,414.27x = 158,142.57 × 38,854.74
  4. Step 4: Simplify right side
    105,414.27x = 6,144,588,440.28
  5. Step 5: Solve for x
    x = 6,144,588,440.28/105,414.27
  6. Step 6: Final answer
    x = 58,289.91

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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.