Home / 187,051.60-280,577.40-108,125.20

Finding the Fourth Proportional to 187,051.60, 280,577.40 and 108,125.20

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Solution

The fourth proportional to 187,051.60, 280,577.40 and 108,125.20 is: 162,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,051.60 : 280,577.40 = 108,125.20 : x
  2. Step 2: Convert to fraction form
    187,051.60/280,577.40 = 108,125.20/x
  3. Step 3: Cross multiply
    187,051.60x = 280,577.40 × 108,125.20
  4. Step 4: Simplify right side
    187,051.60x = 30,337,487,490.48
  5. Step 5: Solve for x
    x = 30,337,487,490.48/187,051.60
  6. Step 6: Final answer
    x = 162,187.80

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1.5x scale

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.