Home / 124,133.91-186,200.58-45,215.88

Finding the Fourth Proportional to 124,133.91, 186,200.58 and 45,215.88

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Solution

The fourth proportional to 124,133.91, 186,200.58 and 45,215.88 is: 67,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133.91 : 186,200.58 = 45,215.88 : x
  2. Step 2: Convert to fraction form
    124,133.91/186,200.58 = 45,215.88/x
  3. Step 3: Cross multiply
    124,133.91x = 186,200.58 × 45,215.88
  4. Step 4: Simplify right side
    124,133.91x = 8,419,223,081.21
  5. Step 5: Solve for x
    x = 8,419,223,081.21/124,133.91
  6. Step 6: Final answer
    x = 67,823.72

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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.