Home / 151,747.66-209,411.82-83,764.68

Finding the Fourth Proportional to 151,747.66, 209,411.82 and 83,764.68

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Solution

The fourth proportional to 151,747.66, 209,411.82 and 83,764.68 is: 115,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.66 : 209,411.82 = 83,764.68 : x
  2. Step 2: Convert to fraction form
    151,747.66/209,411.82 = 83,764.68/x
  3. Step 3: Cross multiply
    151,747.66x = 209,411.82 × 83,764.68
  4. Step 4: Simplify right side
    151,747.66x = 17,541,313,671.69
  5. Step 5: Solve for x
    x = 17,541,313,671.69/151,747.66
  6. Step 6: Final answer
    x = 115,595.28

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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.