Home / 150,539.28-207,572.94-123,228.51

Finding the Fourth Proportional to 150,539.28, 207,572.94 and 123,228.51

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Solution

The fourth proportional to 150,539.28, 207,572.94 and 123,228.51 is: 169,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,539.28 : 207,572.94 = 123,228.51 : x
  2. Step 2: Convert to fraction form
    150,539.28/207,572.94 = 123,228.51/x
  3. Step 3: Cross multiply
    150,539.28x = 207,572.94 × 123,228.51
  4. Step 4: Simplify right side
    150,539.28x = 25,578,904,112.52
  5. Step 5: Solve for x
    x = 25,578,904,112.52/150,539.28
  6. Step 6: Final answer
    x = 169,915.15

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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.