Home / 54,100.91-81,155.98-14,125.20

Finding the Fourth Proportional to 54,100.91, 81,155.98 and 14,125.20

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Solution

The fourth proportional to 54,100.91, 81,155.98 and 14,125.20 is: 21,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,100.91 : 81,155.98 = 14,125.20 : x
  2. Step 2: Convert to fraction form
    54,100.91/81,155.98 = 14,125.20/x
  3. Step 3: Cross multiply
    54,100.91x = 81,155.98 × 14,125.20
  4. Step 4: Simplify right side
    54,100.91x = 1,146,344,542.86
  5. Step 5: Solve for x
    x = 1,146,344,542.86/54,100.91
  6. Step 6: Final answer
    x = 21,189.01

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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.