Home / 124,392.64-186,618.12-49,517.36

Finding the Fourth Proportional to 124,392.64, 186,618.12 and 49,517.36

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Solution

The fourth proportional to 124,392.64, 186,618.12 and 49,517.36 is: 74,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.64 : 186,618.12 = 49,517.36 : x
  2. Step 2: Convert to fraction form
    124,392.64/186,618.12 = 49,517.36/x
  3. Step 3: Cross multiply
    124,392.64x = 186,618.12 × 49,517.36
  4. Step 4: Simplify right side
    124,392.64x = 9,240,836,630.56
  5. Step 5: Solve for x
    x = 9,240,836,630.56/124,392.64
  6. Step 6: Final answer
    x = 74,287.65

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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.