Home / 181,642.34-272,463.66-86,850.23

Finding the Fourth Proportional to 181,642.34, 272,463.66 and 86,850.23

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Solution

The fourth proportional to 181,642.34, 272,463.66 and 86,850.23 is: 130,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,642.34 : 272,463.66 = 86,850.23 : x
  2. Step 2: Convert to fraction form
    181,642.34/272,463.66 = 86,850.23/x
  3. Step 3: Cross multiply
    181,642.34x = 272,463.66 × 86,850.23
  4. Step 4: Simplify right side
    181,642.34x = 23,663,532,218.80
  5. Step 5: Solve for x
    x = 23,663,532,218.80/181,642.34
  6. Step 6: Final answer
    x = 130,275.42

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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.