Home / 143,417.14-215,117.49-54,679.60

Finding the Fourth Proportional to 143,417.14, 215,117.49 and 54,679.60

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Solution

The fourth proportional to 143,417.14, 215,117.49 and 54,679.60 is: 82,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,417.14 : 215,117.49 = 54,679.60 : x
  2. Step 2: Convert to fraction form
    143,417.14/215,117.49 = 54,679.60/x
  3. Step 3: Cross multiply
    143,417.14x = 215,117.49 × 54,679.60
  4. Step 4: Simplify right side
    143,417.14x = 11,762,538,306.20
  5. Step 5: Solve for x
    x = 11,762,538,306.20/143,417.14
  6. Step 6: Final answer
    x = 82,016.27

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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.