Home / 88,916.20-133,082.70-69,087.40

Finding the Fourth Proportional to 88,916.20, 133,082.70 and 69,087.40

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Solution

The fourth proportional to 88,916.20, 133,082.70 and 69,087.40 is: 103,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,916.20 : 133,082.70 = 69,087.40 : x
  2. Step 2: Convert to fraction form
    88,916.20/133,082.70 = 69,087.40/x
  3. Step 3: Cross multiply
    88,916.20x = 133,082.70 × 69,087.40
  4. Step 4: Simplify right side
    88,916.20x = 9,194,337,727.98
  5. Step 5: Solve for x
    x = 9,194,337,727.98/88,916.20
  6. Step 6: Final answer
    x = 103,404.53

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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.