Home / 239,127.64-329,992.10-131,707.66

Finding the Fourth Proportional to 239,127.64, 329,992.10 and 131,707.66

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Solution

The fourth proportional to 239,127.64, 329,992.10 and 131,707.66 is: 181,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,127.64 : 329,992.10 = 131,707.66 : x
  2. Step 2: Convert to fraction form
    239,127.64/329,992.10 = 131,707.66/x
  3. Step 3: Cross multiply
    239,127.64x = 329,992.10 × 131,707.66
  4. Step 4: Simplify right side
    239,127.64x = 43,462,487,309.49
  5. Step 5: Solve for x
    x = 43,462,487,309.49/239,127.64
  6. Step 6: Final answer
    x = 181,754.34

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1.5x scale

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.