Home / 150,549.04-207,767.52-86,891.20

Finding the Fourth Proportional to 150,549.04, 207,767.52 and 86,891.20

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Solution

The fourth proportional to 150,549.04, 207,767.52 and 86,891.20 is: 119,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.04 : 207,767.52 = 86,891.20 : x
  2. Step 2: Convert to fraction form
    150,549.04/207,767.52 = 86,891.20/x
  3. Step 3: Cross multiply
    150,549.04x = 207,767.52 × 86,891.20
  4. Step 4: Simplify right side
    150,549.04x = 18,053,169,133.82
  5. Step 5: Solve for x
    x = 18,053,169,133.82/150,549.04
  6. Step 6: Final answer
    x = 119,915.54

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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.