Home / 144,933.70-217,422.15-51,431.62

Finding the Fourth Proportional to 144,933.70, 217,422.15 and 51,431.62

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Solution

The fourth proportional to 144,933.70, 217,422.15 and 51,431.62 is: 77,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,933.70 : 217,422.15 = 51,431.62 : x
  2. Step 2: Convert to fraction form
    144,933.70/217,422.15 = 51,431.62/x
  3. Step 3: Cross multiply
    144,933.70x = 217,422.15 × 51,431.62
  4. Step 4: Simplify right side
    144,933.70x = 11,182,373,398.38
  5. Step 5: Solve for x
    x = 11,182,373,398.38/144,933.70
  6. Step 6: Final answer
    x = 77,155.10

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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.