Home / 239,090.12-329,946.52-131,660.58

Finding the Fourth Proportional to 239,090.12, 329,946.52 and 131,660.58

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Solution

The fourth proportional to 239,090.12, 329,946.52 and 131,660.58 is: 181,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,090.12 : 329,946.52 = 131,660.58 : x
  2. Step 2: Convert to fraction form
    239,090.12/329,946.52 = 131,660.58/x
  3. Step 3: Cross multiply
    239,090.12x = 329,946.52 × 131,660.58
  4. Step 4: Simplify right side
    239,090.12x = 43,440,950,192.18
  5. Step 5: Solve for x
    x = 43,440,950,192.18/239,090.12
  6. Step 6: Final answer
    x = 181,692.79

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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.