Home / 150,726.65-207,995.12-89,475.45

Finding the Fourth Proportional to 150,726.65, 207,995.12 and 89,475.45

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Solution

The fourth proportional to 150,726.65, 207,995.12 and 89,475.45 is: 123,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,726.65 : 207,995.12 = 89,475.45 : x
  2. Step 2: Convert to fraction form
    150,726.65/207,995.12 = 89,475.45/x
  3. Step 3: Cross multiply
    150,726.65x = 207,995.12 × 89,475.45
  4. Step 4: Simplify right side
    150,726.65x = 18,610,456,959.80
  5. Step 5: Solve for x
    x = 18,610,456,959.80/150,726.65
  6. Step 6: Final answer
    x = 123,471.58

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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.