Home / 99,541.43-137,366-54,219.27

Finding the Fourth Proportional to 99,541.43, 137,366 and 54,219.27

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Solution

The fourth proportional to 99,541.43, 137,366 and 54,219.27 is: 74,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,541.43 : 137,366 = 54,219.27 : x
  2. Step 2: Convert to fraction form
    99,541.43/137,366 = 54,219.27/x
  3. Step 3: Cross multiply
    99,541.43x = 137,366 × 54,219.27
  4. Step 4: Simplify right side
    99,541.43x = 7,447,884,242.82
  5. Step 5: Solve for x
    x = 7,447,884,242.82/99,541.43
  6. Step 6: Final answer
    x = 74,821.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.