Home / 146,570.90-219,856.35-99,331.70

Finding the Fourth Proportional to 146,570.90, 219,856.35 and 99,331.70

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Solution

The fourth proportional to 146,570.90, 219,856.35 and 99,331.70 is: 148,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,570.90 : 219,856.35 = 99,331.70 : x
  2. Step 2: Convert to fraction form
    146,570.90/219,856.35 = 99,331.70/x
  3. Step 3: Cross multiply
    146,570.90x = 219,856.35 × 99,331.70
  4. Step 4: Simplify right side
    146,570.90x = 21,838,705,001.30
  5. Step 5: Solve for x
    x = 21,838,705,001.30/146,570.90
  6. Step 6: Final answer
    x = 148,997.55

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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.