Home / 138,048.66-207,082.89-36,846.18

Finding the Fourth Proportional to 138,048.66, 207,082.89 and 36,846.18

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Solution

The fourth proportional to 138,048.66, 207,082.89 and 36,846.18 is: 55,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,048.66 : 207,082.89 = 36,846.18 : x
  2. Step 2: Convert to fraction form
    138,048.66/207,082.89 = 36,846.18/x
  3. Step 3: Cross multiply
    138,048.66x = 207,082.89 × 36,846.18
  4. Step 4: Simplify right side
    138,048.66x = 7,630,213,439.86
  5. Step 5: Solve for x
    x = 7,630,213,439.86/138,048.66
  6. Step 6: Final answer
    x = 55,271.91

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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.