Home / 88,501.76-132,753.12-26,172.80

Finding the Fourth Proportional to 88,501.76, 132,753.12 and 26,172.80

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Solution

The fourth proportional to 88,501.76, 132,753.12 and 26,172.80 is: 39,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,501.76 : 132,753.12 = 26,172.80 : x
  2. Step 2: Convert to fraction form
    88,501.76/132,753.12 = 26,172.80/x
  3. Step 3: Cross multiply
    88,501.76x = 132,753.12 × 26,172.80
  4. Step 4: Simplify right side
    88,501.76x = 3,474,520,859.14
  5. Step 5: Solve for x
    x = 3,474,520,859.14/88,501.76
  6. Step 6: Final answer
    x = 39,259.34

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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.