Home / 115,747.48-159,822.15-88,847.38

Finding the Fourth Proportional to 115,747.48, 159,822.15 and 88,847.38

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Solution

The fourth proportional to 115,747.48, 159,822.15 and 88,847.38 is: 122,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,747.48 : 159,822.15 = 88,847.38 : x
  2. Step 2: Convert to fraction form
    115,747.48/159,822.15 = 88,847.38/x
  3. Step 3: Cross multiply
    115,747.48x = 159,822.15 × 88,847.38
  4. Step 4: Simplify right side
    115,747.48x = 14,199,779,293.47
  5. Step 5: Solve for x
    x = 14,199,779,293.47/115,747.48
  6. Step 6: Final answer
    x = 122,678.95

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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.