Home / 131,777.18-181,850.28-71,347.33

Finding the Fourth Proportional to 131,777.18, 181,850.28 and 71,347.33

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Solution

The fourth proportional to 131,777.18, 181,850.28 and 71,347.33 is: 98,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,777.18 : 181,850.28 = 71,347.33 : x
  2. Step 2: Convert to fraction form
    131,777.18/181,850.28 = 71,347.33/x
  3. Step 3: Cross multiply
    131,777.18x = 181,850.28 × 71,347.33
  4. Step 4: Simplify right side
    131,777.18x = 12,974,531,937.75
  5. Step 5: Solve for x
    x = 12,974,531,937.75/131,777.18
  6. Step 6: Final answer
    x = 98,458.11

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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.