Home / 187,214.20-280,821.30-134,070.10

Finding the Fourth Proportional to 187,214.20, 280,821.30 and 134,070.10

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Solution

The fourth proportional to 187,214.20, 280,821.30 and 134,070.10 is: 201,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214.20 : 280,821.30 = 134,070.10 : x
  2. Step 2: Convert to fraction form
    187,214.20/280,821.30 = 134,070.10/x
  3. Step 3: Cross multiply
    187,214.20x = 280,821.30 × 134,070.10
  4. Step 4: Simplify right side
    187,214.20x = 37,649,739,773.13
  5. Step 5: Solve for x
    x = 37,649,739,773.13/187,214.20
  6. Step 6: Final answer
    x = 201,105.15

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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.