Home / 267,004.13-368,644.10-158,143.47

Finding the Fourth Proportional to 267,004.13, 368,644.10 and 158,143.47

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Solution

The fourth proportional to 267,004.13, 368,644.10 and 158,143.47 is: 218,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,004.13 : 368,644.10 = 158,143.47 : x
  2. Step 2: Convert to fraction form
    267,004.13/368,644.10 = 158,143.47/x
  3. Step 3: Cross multiply
    267,004.13x = 368,644.10 × 158,143.47
  4. Step 4: Simplify right side
    267,004.13x = 58,298,657,069.52
  5. Step 5: Solve for x
    x = 58,298,657,069.52/267,004.13
  6. Step 6: Final answer
    x = 218,343.65

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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.