Home / 239,175.72-329,708.16-153,122.40

Finding the Fourth Proportional to 239,175.72, 329,708.16 and 153,122.40

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Solution

The fourth proportional to 239,175.72, 329,708.16 and 153,122.40 is: 211,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,175.72 : 329,708.16 = 153,122.40 : x
  2. Step 2: Convert to fraction form
    239,175.72/329,708.16 = 153,122.40/x
  3. Step 3: Cross multiply
    239,175.72x = 329,708.16 × 153,122.40
  4. Step 4: Simplify right side
    239,175.72x = 50,485,704,758.78
  5. Step 5: Solve for x
    x = 50,485,704,758.78/239,175.72
  6. Step 6: Final answer
    x = 211,082.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.