Home / 187,265.60-280,898.40-54,150.20

Finding the Fourth Proportional to 187,265.60, 280,898.40 and 54,150.20

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Solution

The fourth proportional to 187,265.60, 280,898.40 and 54,150.20 is: 81,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.60 : 280,898.40 = 54,150.20 : x
  2. Step 2: Convert to fraction form
    187,265.60/280,898.40 = 54,150.20/x
  3. Step 3: Cross multiply
    187,265.60x = 280,898.40 × 54,150.20
  4. Step 4: Simplify right side
    187,265.60x = 15,210,704,539.68
  5. Step 5: Solve for x
    x = 15,210,704,539.68/187,265.60
  6. Step 6: Final answer
    x = 81,225.30

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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.