Home / 154,117.70-231,155.64-41,805.14

Finding the Fourth Proportional to 154,117.70, 231,155.64 and 41,805.14

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Solution

The fourth proportional to 154,117.70, 231,155.64 and 41,805.14 is: 62,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,117.70 : 231,155.64 = 41,805.14 : x
  2. Step 2: Convert to fraction form
    154,117.70/231,155.64 = 41,805.14/x
  3. Step 3: Cross multiply
    154,117.70x = 231,155.64 × 41,805.14
  4. Step 4: Simplify right side
    154,117.70x = 9,663,493,891.99
  5. Step 5: Solve for x
    x = 9,663,493,891.99/154,117.70
  6. Step 6: Final answer
    x = 62,702.04

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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.