Home / 187,788.30-281,164.05-146,316.30

Finding the Fourth Proportional to 187,788.30, 281,164.05 and 146,316.30

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Solution

The fourth proportional to 187,788.30, 281,164.05 and 146,316.30 is: 219,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.30 : 281,164.05 = 146,316.30 : x
  2. Step 2: Convert to fraction form
    187,788.30/281,164.05 = 146,316.30/x
  3. Step 3: Cross multiply
    187,788.30x = 281,164.05 × 146,316.30
  4. Step 4: Simplify right side
    187,788.30x = 41,138,883,489.02
  5. Step 5: Solve for x
    x = 41,138,883,489.02/187,788.30
  6. Step 6: Final answer
    x = 219,070.54

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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.