Home / 140,708.04-211,082.85-40,855.29

Finding the Fourth Proportional to 140,708.04, 211,082.85 and 40,855.29

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Solution

The fourth proportional to 140,708.04, 211,082.85 and 40,855.29 is: 61,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.04 : 211,082.85 = 40,855.29 : x
  2. Step 2: Convert to fraction form
    140,708.04/211,082.85 = 40,855.29/x
  3. Step 3: Cross multiply
    140,708.04x = 211,082.85 × 40,855.29
  4. Step 4: Simplify right side
    140,708.04x = 8,623,851,050.78
  5. Step 5: Solve for x
    x = 8,623,851,050.78/140,708.04
  6. Step 6: Final answer
    x = 61,288.97

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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.