Home / 131,486.45-181,414.55-88,526.48

Finding the Fourth Proportional to 131,486.45, 181,414.55 and 88,526.48

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Solution

The fourth proportional to 131,486.45, 181,414.55 and 88,526.48 is: 122,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,486.45 : 181,414.55 = 88,526.48 : x
  2. Step 2: Convert to fraction form
    131,486.45/181,414.55 = 88,526.48/x
  3. Step 3: Cross multiply
    131,486.45x = 181,414.55 × 88,526.48
  4. Step 4: Simplify right side
    131,486.45x = 16,059,990,846.53
  5. Step 5: Solve for x
    x = 16,059,990,846.53/131,486.45
  6. Step 6: Final answer
    x = 122,141.80

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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.