Home / 151,747.88-209,412.11-83,764.89

Finding the Fourth Proportional to 151,747.88, 209,412.11 and 83,764.89

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Solution

The fourth proportional to 151,747.88, 209,412.11 and 83,764.89 is: 115,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.88 : 209,412.11 = 83,764.89 : x
  2. Step 2: Convert to fraction form
    151,747.88/209,412.11 = 83,764.89/x
  3. Step 3: Cross multiply
    151,747.88x = 209,412.11 × 83,764.89
  4. Step 4: Simplify right side
    151,747.88x = 17,541,382,358.82
  5. Step 5: Solve for x
    x = 17,541,382,358.82/151,747.88
  6. Step 6: Final answer
    x = 115,595.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.