Home / 88,030.60-132,240.30-84,725.80

Finding the Fourth Proportional to 88,030.60, 132,240.30 and 84,725.80

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Solution

The fourth proportional to 88,030.60, 132,240.30 and 84,725.80 is: 127,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.60 : 132,240.30 = 84,725.80 : x
  2. Step 2: Convert to fraction form
    88,030.60/132,240.30 = 84,725.80/x
  3. Step 3: Cross multiply
    88,030.60x = 132,240.30 × 84,725.80
  4. Step 4: Simplify right side
    88,030.60x = 11,204,165,209.74
  5. Step 5: Solve for x
    x = 11,204,165,209.74/88,030.60
  6. Step 6: Final answer
    x = 127,275.80

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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.