Home / 181,516.72-272,275.14-74,899.12

Finding the Fourth Proportional to 181,516.72, 272,275.14 and 74,899.12

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Solution

The fourth proportional to 181,516.72, 272,275.14 and 74,899.12 is: 112,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,516.72 : 272,275.14 = 74,899.12 : x
  2. Step 2: Convert to fraction form
    181,516.72/272,275.14 = 74,899.12/x
  3. Step 3: Cross multiply
    181,516.72x = 272,275.14 × 74,899.12
  4. Step 4: Simplify right side
    181,516.72x = 20,393,168,383.88
  5. Step 5: Solve for x
    x = 20,393,168,383.88/181,516.72
  6. Step 6: Final answer
    x = 112,348.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.