Home / 99,636.31-149,542.19-52,285.22

Finding the Fourth Proportional to 99,636.31, 149,542.19 and 52,285.22

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Solution

The fourth proportional to 99,636.31, 149,542.19 and 52,285.22 is: 78,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636.31 : 149,542.19 = 52,285.22 : x
  2. Step 2: Convert to fraction form
    99,636.31/149,542.19 = 52,285.22/x
  3. Step 3: Cross multiply
    99,636.31x = 149,542.19 × 52,285.22
  4. Step 4: Simplify right side
    99,636.31x = 7,818,845,294.29
  5. Step 5: Solve for x
    x = 7,818,845,294.29/99,636.31
  6. Step 6: Final answer
    x = 78,473.86

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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.