Home / 88,269.60-132,404.40-56,776.80

Finding the Fourth Proportional to 88,269.60, 132,404.40 and 56,776.80

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Solution

The fourth proportional to 88,269.60, 132,404.40 and 56,776.80 is: 85,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.60 : 132,404.40 = 56,776.80 : x
  2. Step 2: Convert to fraction form
    88,269.60/132,404.40 = 56,776.80/x
  3. Step 3: Cross multiply
    88,269.60x = 132,404.40 × 56,776.80
  4. Step 4: Simplify right side
    88,269.60x = 7,517,498,137.92
  5. Step 5: Solve for x
    x = 7,517,498,137.92/88,269.60
  6. Step 6: Final answer
    x = 85,165.20

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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.