Home / 137,959.26-190,387.60-77,535.42

Finding the Fourth Proportional to 137,959.26, 190,387.60 and 77,535.42

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Solution

The fourth proportional to 137,959.26, 190,387.60 and 77,535.42 is: 107,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,959.26 : 190,387.60 = 77,535.42 : x
  2. Step 2: Convert to fraction form
    137,959.26/190,387.60 = 77,535.42/x
  3. Step 3: Cross multiply
    137,959.26x = 190,387.60 × 77,535.42
  4. Step 4: Simplify right side
    137,959.26x = 14,761,781,621.00
  5. Step 5: Solve for x
    x = 14,761,781,621.00/137,959.26
  6. Step 6: Final answer
    x = 107,001.02

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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.