Home / 150,246.95-207,340.07-81,336.47

Finding the Fourth Proportional to 150,246.95, 207,340.07 and 81,336.47

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Solution

The fourth proportional to 150,246.95, 207,340.07 and 81,336.47 is: 112,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,246.95 : 207,340.07 = 81,336.47 : x
  2. Step 2: Convert to fraction form
    150,246.95/207,340.07 = 81,336.47/x
  3. Step 3: Cross multiply
    150,246.95x = 207,340.07 × 81,336.47
  4. Step 4: Simplify right side
    150,246.95x = 16,864,307,939.97
  5. Step 5: Solve for x
    x = 16,864,307,939.97/150,246.95
  6. Step 6: Final answer
    x = 112,243.93

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1.5x scale

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.