Home / 89,423.10-134,155.42-26,240.68

Finding the Fourth Proportional to 89,423.10, 134,155.42 and 26,240.68

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Solution

The fourth proportional to 89,423.10, 134,155.42 and 26,240.68 is: 39,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,423.10 : 134,155.42 = 26,240.68 : x
  2. Step 2: Convert to fraction form
    89,423.10/134,155.42 = 26,240.68/x
  3. Step 3: Cross multiply
    89,423.10x = 134,155.42 × 26,240.68
  4. Step 4: Simplify right side
    89,423.10x = 3,520,329,446.49
  5. Step 5: Solve for x
    x = 3,520,329,446.49/89,423.10
  6. Step 6: Final answer
    x = 39,367.11

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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.