Home / 88,220.20-132,330.30-53,141.80

Finding the Fourth Proportional to 88,220.20, 132,330.30 and 53,141.80

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Solution

The fourth proportional to 88,220.20, 132,330.30 and 53,141.80 is: 79,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220.20 : 132,330.30 = 53,141.80 : x
  2. Step 2: Convert to fraction form
    88,220.20/132,330.30 = 53,141.80/x
  3. Step 3: Cross multiply
    88,220.20x = 132,330.30 × 53,141.80
  4. Step 4: Simplify right side
    88,220.20x = 7,032,270,336.54
  5. Step 5: Solve for x
    x = 7,032,270,336.54/88,220.20
  6. Step 6: Final answer
    x = 79,712.70

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1.5x scale

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.