Home / 144,979.32-217,489.26-45,146.76

Finding the Fourth Proportional to 144,979.32, 217,489.26 and 45,146.76

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Solution

The fourth proportional to 144,979.32, 217,489.26 and 45,146.76 is: 67,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,979.32 : 217,489.26 = 45,146.76 : x
  2. Step 2: Convert to fraction form
    144,979.32/217,489.26 = 45,146.76/x
  3. Step 3: Cross multiply
    144,979.32x = 217,489.26 × 45,146.76
  4. Step 4: Simplify right side
    144,979.32x = 9,818,935,423.80
  5. Step 5: Solve for x
    x = 9,818,935,423.80/144,979.32
  6. Step 6: Final answer
    x = 67,726.46

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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.