Home / 144,867.28-217,331-45,024.72

Finding the Fourth Proportional to 144,867.28, 217,331 and 45,024.72

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Solution

The fourth proportional to 144,867.28, 217,331 and 45,024.72 is: 67,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.28 : 217,331 = 45,024.72 : x
  2. Step 2: Convert to fraction form
    144,867.28/217,331 = 45,024.72/x
  3. Step 3: Cross multiply
    144,867.28x = 217,331 × 45,024.72
  4. Step 4: Simplify right side
    144,867.28x = 9,785,267,422.32
  5. Step 5: Solve for x
    x = 9,785,267,422.32/144,867.28
  6. Step 6: Final answer
    x = 67,546.43

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1.5x scale

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.