Home / 101,252.57-139,700.50-58,229.72

Finding the Fourth Proportional to 101,252.57, 139,700.50 and 58,229.72

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Solution

The fourth proportional to 101,252.57, 139,700.50 and 58,229.72 is: 80,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,252.57 : 139,700.50 = 58,229.72 : x
  2. Step 2: Convert to fraction form
    101,252.57/139,700.50 = 58,229.72/x
  3. Step 3: Cross multiply
    101,252.57x = 139,700.50 × 58,229.72
  4. Step 4: Simplify right side
    101,252.57x = 8,134,720,678.66
  5. Step 5: Solve for x
    x = 8,134,720,678.66/101,252.57
  6. Step 6: Final answer
    x = 80,340.88

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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.