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Finding the Fourth Proportional to 101,250.74, 139,733.68 and 58,243.40

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Solution

The fourth proportional to 101,250.74, 139,733.68 and 58,243.40 is: 80,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.74 : 139,733.68 = 58,243.40 : x
  2. Step 2: Convert to fraction form
    101,250.74/139,733.68 = 58,243.40/x
  3. Step 3: Cross multiply
    101,250.74x = 139,733.68 × 58,243.40
  4. Step 4: Simplify right side
    101,250.74x = 8,138,564,617.71
  5. Step 5: Solve for x
    x = 8,138,564,617.71/101,250.74
  6. Step 6: Final answer
    x = 80,380.30

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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.