Home / 136,221.52-187,879.14-88,490.26

Finding the Fourth Proportional to 136,221.52, 187,879.14 and 88,490.26

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Solution

The fourth proportional to 136,221.52, 187,879.14 and 88,490.26 is: 122,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,221.52 : 187,879.14 = 88,490.26 : x
  2. Step 2: Convert to fraction form
    136,221.52/187,879.14 = 88,490.26/x
  3. Step 3: Cross multiply
    136,221.52x = 187,879.14 × 88,490.26
  4. Step 4: Simplify right side
    136,221.52x = 16,625,473,947.18
  5. Step 5: Solve for x
    x = 16,625,473,947.18/136,221.52
  6. Step 6: Final answer
    x = 122,047.34

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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.