Home / 113,178.24-156,179.88-62,874

Finding the Fourth Proportional to 113,178.24, 156,179.88 and 62,874

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Solution

The fourth proportional to 113,178.24, 156,179.88 and 62,874 is: 86,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,178.24 : 156,179.88 = 62,874 : x
  2. Step 2: Convert to fraction form
    113,178.24/156,179.88 = 62,874/x
  3. Step 3: Cross multiply
    113,178.24x = 156,179.88 × 62,874
  4. Step 4: Simplify right side
    113,178.24x = 9,819,653,775.12
  5. Step 5: Solve for x
    x = 9,819,653,775.12/113,178.24
  6. Step 6: Final answer
    x = 86,762.74

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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.