Home / 131,548.88-181,539.11-79,851.04

Finding the Fourth Proportional to 131,548.88, 181,539.11 and 79,851.04

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Solution

The fourth proportional to 131,548.88, 181,539.11 and 79,851.04 is: 110,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,548.88 : 181,539.11 = 79,851.04 : x
  2. Step 2: Convert to fraction form
    131,548.88/181,539.11 = 79,851.04/x
  3. Step 3: Cross multiply
    131,548.88x = 181,539.11 × 79,851.04
  4. Step 4: Simplify right side
    131,548.88x = 14,496,086,479.95
  5. Step 5: Solve for x
    x = 14,496,086,479.95/131,548.88
  6. Step 6: Final answer
    x = 110,195.44

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1.5x scale

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.