Home / 115,377.50-159,293.02-88,468.28

Finding the Fourth Proportional to 115,377.50, 159,293.02 and 88,468.28

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Solution

The fourth proportional to 115,377.50, 159,293.02 and 88,468.28 is: 122,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,377.50 : 159,293.02 = 88,468.28 : x
  2. Step 2: Convert to fraction form
    115,377.50/159,293.02 = 88,468.28/x
  3. Step 3: Cross multiply
    115,377.50x = 159,293.02 × 88,468.28
  4. Step 4: Simplify right side
    115,377.50x = 14,092,379,495.41
  5. Step 5: Solve for x
    x = 14,092,379,495.41/115,377.50
  6. Step 6: Final answer
    x = 122,141.49

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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.