Home / 124,741.44-172,154.88-68,161.20

Finding the Fourth Proportional to 124,741.44, 172,154.88 and 68,161.20

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Solution

The fourth proportional to 124,741.44, 172,154.88 and 68,161.20 is: 94,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.44 : 172,154.88 = 68,161.20 : x
  2. Step 2: Convert to fraction form
    124,741.44/172,154.88 = 68,161.20/x
  3. Step 3: Cross multiply
    124,741.44x = 172,154.88 × 68,161.20
  4. Step 4: Simplify right side
    124,741.44x = 11,734,283,206.66
  5. Step 5: Solve for x
    x = 11,734,283,206.66/124,741.44
  6. Step 6: Final answer
    x = 94,068.85

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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.