Home / 180,620.13-249,244.82-100,042.95

Finding the Fourth Proportional to 180,620.13, 249,244.82 and 100,042.95

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Solution

The fourth proportional to 180,620.13, 249,244.82 and 100,042.95 is: 138,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,620.13 : 249,244.82 = 100,042.95 : x
  2. Step 2: Convert to fraction form
    180,620.13/249,244.82 = 100,042.95/x
  3. Step 3: Cross multiply
    180,620.13x = 249,244.82 × 100,042.95
  4. Step 4: Simplify right side
    180,620.13x = 24,935,186,564.80
  5. Step 5: Solve for x
    x = 24,935,186,564.80/180,620.13
  6. Step 6: Final answer
    x = 138,053.20

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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.