Home / 181,717.68-272,621.88-63,390

Finding the Fourth Proportional to 181,717.68, 272,621.88 and 63,390

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Solution

The fourth proportional to 181,717.68, 272,621.88 and 63,390 is: 95,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,717.68 : 272,621.88 = 63,390 : x
  2. Step 2: Convert to fraction form
    181,717.68/272,621.88 = 63,390/x
  3. Step 3: Cross multiply
    181,717.68x = 272,621.88 × 63,390
  4. Step 4: Simplify right side
    181,717.68x = 17,281,500,973.20
  5. Step 5: Solve for x
    x = 17,281,500,973.20/181,717.68
  6. Step 6: Final answer
    x = 95,100.82

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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.