Home / 150,139.73-207,191.02-82,155.95

Finding the Fourth Proportional to 150,139.73, 207,191.02 and 82,155.95

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Solution

The fourth proportional to 150,139.73, 207,191.02 and 82,155.95 is: 113,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,139.73 : 207,191.02 = 82,155.95 : x
  2. Step 2: Convert to fraction form
    150,139.73/207,191.02 = 82,155.95/x
  3. Step 3: Cross multiply
    150,139.73x = 207,191.02 × 82,155.95
  4. Step 4: Simplify right side
    150,139.73x = 17,021,975,079.57
  5. Step 5: Solve for x
    x = 17,021,975,079.57/150,139.73
  6. Step 6: Final answer
    x = 113,374.22

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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.