Home / 145,193.28-217,794.24-40,020

Finding the Fourth Proportional to 145,193.28, 217,794.24 and 40,020

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Solution

The fourth proportional to 145,193.28, 217,794.24 and 40,020 is: 60,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,193.28 : 217,794.24 = 40,020 : x
  2. Step 2: Convert to fraction form
    145,193.28/217,794.24 = 40,020/x
  3. Step 3: Cross multiply
    145,193.28x = 217,794.24 × 40,020
  4. Step 4: Simplify right side
    145,193.28x = 8,716,125,484.80
  5. Step 5: Solve for x
    x = 8,716,125,484.80/145,193.28
  6. Step 6: Final answer
    x = 60,031.19

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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.