Home / 144,873.28-217,340.68-45,031.04

Finding the Fourth Proportional to 144,873.28, 217,340.68 and 45,031.04

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Solution

The fourth proportional to 144,873.28, 217,340.68 and 45,031.04 is: 67,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,873.28 : 217,340.68 = 45,031.04 : x
  2. Step 2: Convert to fraction form
    144,873.28/217,340.68 = 45,031.04/x
  3. Step 3: Cross multiply
    144,873.28x = 217,340.68 × 45,031.04
  4. Step 4: Simplify right side
    144,873.28x = 9,787,076,854.71
  5. Step 5: Solve for x
    x = 9,787,076,854.71/144,873.28
  6. Step 6: Final answer
    x = 67,556.12

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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.