Home / 88,087.40-132,131.10-80,829.80

Finding the Fourth Proportional to 88,087.40, 132,131.10 and 80,829.80

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Solution

The fourth proportional to 88,087.40, 132,131.10 and 80,829.80 is: 121,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.40 : 132,131.10 = 80,829.80 : x
  2. Step 2: Convert to fraction form
    88,087.40/132,131.10 = 80,829.80/x
  3. Step 3: Cross multiply
    88,087.40x = 132,131.10 × 80,829.80
  4. Step 4: Simplify right side
    88,087.40x = 10,680,130,386.78
  5. Step 5: Solve for x
    x = 10,680,130,386.78/88,087.40
  6. Step 6: Final answer
    x = 121,244.70

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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.