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Finding the Fourth Proportional to 101,572.76, 140,239.68 and 63,347.24

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Solution

The fourth proportional to 101,572.76, 140,239.68 and 63,347.24 is: 87,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,572.76 : 140,239.68 = 63,347.24 : x
  2. Step 2: Convert to fraction form
    101,572.76/140,239.68 = 63,347.24/x
  3. Step 3: Cross multiply
    101,572.76x = 140,239.68 × 63,347.24
  4. Step 4: Simplify right side
    101,572.76x = 8,883,796,666.48
  5. Step 5: Solve for x
    x = 8,883,796,666.48/101,572.76
  6. Step 6: Final answer
    x = 87,462.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.