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Finding the Fourth Proportional to 187,221.40, 280,832.10 and 93,693.40

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Solution

The fourth proportional to 187,221.40, 280,832.10 and 93,693.40 is: 140,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,221.40 : 280,832.10 = 93,693.40 : x
  2. Step 2: Convert to fraction form
    187,221.40/280,832.10 = 93,693.40/x
  3. Step 3: Cross multiply
    187,221.40x = 280,832.10 × 93,693.40
  4. Step 4: Simplify right side
    187,221.40x = 26,312,114,278.14
  5. Step 5: Solve for x
    x = 26,312,114,278.14/187,221.40
  6. Step 6: Final answer
    x = 140,540.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.