Home / 143,506.29-215,250.68-53,531.63

Finding the Fourth Proportional to 143,506.29, 215,250.68 and 53,531.63

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Solution

The fourth proportional to 143,506.29, 215,250.68 and 53,531.63 is: 80,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,506.29 : 215,250.68 = 53,531.63 : x
  2. Step 2: Convert to fraction form
    143,506.29/215,250.68 = 53,531.63/x
  3. Step 3: Cross multiply
    143,506.29x = 215,250.68 × 53,531.63
  4. Step 4: Simplify right side
    143,506.29x = 11,522,718,816.58
  5. Step 5: Solve for x
    x = 11,522,718,816.58/143,506.29
  6. Step 6: Final answer
    x = 80,294.17

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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.