Home / 150,541.28-207,575.70-123,230.51

Finding the Fourth Proportional to 150,541.28, 207,575.70 and 123,230.51

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Solution

The fourth proportional to 150,541.28, 207,575.70 and 123,230.51 is: 169,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,541.28 : 207,575.70 = 123,230.51 : x
  2. Step 2: Convert to fraction form
    150,541.28/207,575.70 = 123,230.51/x
  3. Step 3: Cross multiply
    150,541.28x = 207,575.70 × 123,230.51
  4. Step 4: Simplify right side
    150,541.28x = 25,579,659,374.61
  5. Step 5: Solve for x
    x = 25,579,659,374.61/150,541.28
  6. Step 6: Final answer
    x = 169,917.91

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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.