Home / 187,098.60-280,847.72-80,535.34

Finding the Fourth Proportional to 187,098.60, 280,847.72 and 80,535.34

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Solution

The fourth proportional to 187,098.60, 280,847.72 and 80,535.34 is: 120,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,098.60 : 280,847.72 = 80,535.34 : x
  2. Step 2: Convert to fraction form
    187,098.60/280,847.72 = 80,535.34/x
  3. Step 3: Cross multiply
    187,098.60x = 280,847.72 × 80,535.34
  4. Step 4: Simplify right side
    187,098.60x = 22,618,166,618.42
  5. Step 5: Solve for x
    x = 22,618,166,618.42/187,098.60
  6. Step 6: Final answer
    x = 120,889.02

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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.