Home / 187,281.60-280,922.40-54,166.20

Finding the Fourth Proportional to 187,281.60, 280,922.40 and 54,166.20

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Solution

The fourth proportional to 187,281.60, 280,922.40 and 54,166.20 is: 81,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,281.60 : 280,922.40 = 54,166.20 : x
  2. Step 2: Convert to fraction form
    187,281.60/280,922.40 = 54,166.20/x
  3. Step 3: Cross multiply
    187,281.60x = 280,922.40 × 54,166.20
  4. Step 4: Simplify right side
    187,281.60x = 15,216,498,902.88
  5. Step 5: Solve for x
    x = 15,216,498,902.88/187,281.60
  6. Step 6: Final answer
    x = 81,249.30

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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.