Home / 187,027.60-280,577.85-80,411.35

Finding the Fourth Proportional to 187,027.60, 280,577.85 and 80,411.35

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Solution

The fourth proportional to 187,027.60, 280,577.85 and 80,411.35 is: 120,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.60 : 280,577.85 = 80,411.35 : x
  2. Step 2: Convert to fraction form
    187,027.60/280,577.85 = 80,411.35/x
  3. Step 3: Cross multiply
    187,027.60x = 280,577.85 × 80,411.35
  4. Step 4: Simplify right side
    187,027.60x = 22,561,643,698.60
  5. Step 5: Solve for x
    x = 22,561,643,698.60/187,027.60
  6. Step 6: Final answer
    x = 120,632.70

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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.