Home / 144,266.28-216,391.32-39,077.52

Finding the Fourth Proportional to 144,266.28, 216,391.32 and 39,077.52

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Solution

The fourth proportional to 144,266.28, 216,391.32 and 39,077.52 is: 58,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,266.28 : 216,391.32 = 39,077.52 : x
  2. Step 2: Convert to fraction form
    144,266.28/216,391.32 = 39,077.52/x
  3. Step 3: Cross multiply
    144,266.28x = 216,391.32 × 39,077.52
  4. Step 4: Simplify right side
    144,266.28x = 8,456,036,135.13
  5. Step 5: Solve for x
    x = 8,456,036,135.13/144,266.28
  6. Step 6: Final answer
    x = 58,614.09

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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.