Home / 88,898.11-122,655.67-54,461.16

Finding the Fourth Proportional to 88,898.11, 122,655.67 and 54,461.16

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Solution

The fourth proportional to 88,898.11, 122,655.67 and 54,461.16 is: 75,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.11 : 122,655.67 = 54,461.16 : x
  2. Step 2: Convert to fraction form
    88,898.11/122,655.67 = 54,461.16/x
  3. Step 3: Cross multiply
    88,898.11x = 122,655.67 × 54,461.16
  4. Step 4: Simplify right side
    88,898.11x = 6,679,969,932.62
  5. Step 5: Solve for x
    x = 6,679,969,932.62/88,898.11
  6. Step 6: Final answer
    x = 75,141.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.