Home / 145,195.46-217,785.36-45,344.21

Finding the Fourth Proportional to 145,195.46, 217,785.36 and 45,344.21

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Solution

The fourth proportional to 145,195.46, 217,785.36 and 45,344.21 is: 68,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,195.46 : 217,785.36 = 45,344.21 : x
  2. Step 2: Convert to fraction form
    145,195.46/217,785.36 = 45,344.21/x
  3. Step 3: Cross multiply
    145,195.46x = 217,785.36 × 45,344.21
  4. Step 4: Simplify right side
    145,195.46x = 9,875,305,098.77
  5. Step 5: Solve for x
    x = 9,875,305,098.77/145,195.46
  6. Step 6: Final answer
    x = 68,013.87

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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.