Home / 148,487.20-204,909.82-83,955.36

Finding the Fourth Proportional to 148,487.20, 204,909.82 and 83,955.36

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Solution

The fourth proportional to 148,487.20, 204,909.82 and 83,955.36 is: 115,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.20 : 204,909.82 = 83,955.36 : x
  2. Step 2: Convert to fraction form
    148,487.20/204,909.82 = 83,955.36/x
  3. Step 3: Cross multiply
    148,487.20x = 204,909.82 × 83,955.36
  4. Step 4: Simplify right side
    148,487.20x = 17,203,277,705.64
  5. Step 5: Solve for x
    x = 17,203,277,705.64/148,487.20
  6. Step 6: Final answer
    x = 115,856.97

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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.