Home / 124,917.60-187,246.80-68,671.20

Finding the Fourth Proportional to 124,917.60, 187,246.80 and 68,671.20

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Solution

The fourth proportional to 124,917.60, 187,246.80 and 68,671.20 is: 102,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,917.60 : 187,246.80 = 68,671.20 : x
  2. Step 2: Convert to fraction form
    124,917.60/187,246.80 = 68,671.20/x
  3. Step 3: Cross multiply
    124,917.60x = 187,246.80 × 68,671.20
  4. Step 4: Simplify right side
    124,917.60x = 12,858,462,452.16
  5. Step 5: Solve for x
    x = 12,858,462,452.16/124,917.60
  6. Step 6: Final answer
    x = 102,935.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.