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Finding the Fourth Proportional to 101,562.06, 140,164.24 and 56,251.06

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Solution

The fourth proportional to 101,562.06, 140,164.24 and 56,251.06 is: 77,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,562.06 : 140,164.24 = 56,251.06 : x
  2. Step 2: Convert to fraction form
    101,562.06/140,164.24 = 56,251.06/x
  3. Step 3: Cross multiply
    101,562.06x = 140,164.24 × 56,251.06
  4. Step 4: Simplify right side
    101,562.06x = 7,884,387,074.09
  5. Step 5: Solve for x
    x = 7,884,387,074.09/101,562.06
  6. Step 6: Final answer
    x = 77,631.22

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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.