Home / 89,125.20-133,425.36-65,855.52

Finding the Fourth Proportional to 89,125.20, 133,425.36 and 65,855.52

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Solution

The fourth proportional to 89,125.20, 133,425.36 and 65,855.52 is: 98,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.20 : 133,425.36 = 65,855.52 : x
  2. Step 2: Convert to fraction form
    89,125.20/133,425.36 = 65,855.52/x
  3. Step 3: Cross multiply
    89,125.20x = 133,425.36 × 65,855.52
  4. Step 4: Simplify right side
    89,125.20x = 8,786,796,463.99
  5. Step 5: Solve for x
    x = 8,786,796,463.99/89,125.20
  6. Step 6: Final answer
    x = 98,589.36

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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.