Home / 181,402.77-272,106.90-69,089.21

Finding the Fourth Proportional to 181,402.77, 272,106.90 and 69,089.21

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Solution

The fourth proportional to 181,402.77, 272,106.90 and 69,089.21 is: 103,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.77 : 272,106.90 = 69,089.21 : x
  2. Step 2: Convert to fraction form
    181,402.77/272,106.90 = 69,089.21/x
  3. Step 3: Cross multiply
    181,402.77x = 272,106.90 × 69,089.21
  4. Step 4: Simplify right side
    181,402.77x = 18,799,649,396.01
  5. Step 5: Solve for x
    x = 18,799,649,396.01/181,402.77
  6. Step 6: Final answer
    x = 103,634.85

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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.