Home / 175,851.22-242,658.29-99,376.15

Finding the Fourth Proportional to 175,851.22, 242,658.29 and 99,376.15

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Solution

The fourth proportional to 175,851.22, 242,658.29 and 99,376.15 is: 137,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,851.22 : 242,658.29 = 99,376.15 : x
  2. Step 2: Convert to fraction form
    175,851.22/242,658.29 = 99,376.15/x
  3. Step 3: Cross multiply
    175,851.22x = 242,658.29 × 99,376.15
  4. Step 4: Simplify right side
    175,851.22x = 24,114,446,625.78
  5. Step 5: Solve for x
    x = 24,114,446,625.78/175,851.22
  6. Step 6: Final answer
    x = 137,129.82

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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.