Home / 154,117.72-231,155.62-41,805.16

Finding the Fourth Proportional to 154,117.72, 231,155.62 and 41,805.16

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Solution

The fourth proportional to 154,117.72, 231,155.62 and 41,805.16 is: 62,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,117.72 : 231,155.62 = 41,805.16 : x
  2. Step 2: Convert to fraction form
    154,117.72/231,155.62 = 41,805.16/x
  3. Step 3: Cross multiply
    154,117.72x = 231,155.62 × 41,805.16
  4. Step 4: Simplify right side
    154,117.72x = 9,663,497,679.00
  5. Step 5: Solve for x
    x = 9,663,497,679.00/154,117.72
  6. Step 6: Final answer
    x = 62,702.05

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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.