Home / 239,108.24-329,970.36-137,137.64

Finding the Fourth Proportional to 239,108.24, 329,970.36 and 137,137.64

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Solution

The fourth proportional to 239,108.24, 329,970.36 and 137,137.64 is: 189,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,108.24 : 329,970.36 = 137,137.64 : x
  2. Step 2: Convert to fraction form
    239,108.24/329,970.36 = 137,137.64/x
  3. Step 3: Cross multiply
    239,108.24x = 329,970.36 × 137,137.64
  4. Step 4: Simplify right side
    239,108.24x = 45,251,356,440.35
  5. Step 5: Solve for x
    x = 45,251,356,440.35/239,108.24
  6. Step 6: Final answer
    x = 189,250.51

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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.