Home / 239,177.61-330,065.10-131,747.63

Finding the Fourth Proportional to 239,177.61, 330,065.10 and 131,747.63

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Solution

The fourth proportional to 239,177.61, 330,065.10 and 131,747.63 is: 181,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,177.61 : 330,065.10 = 131,747.63 : x
  2. Step 2: Convert to fraction form
    239,177.61/330,065.10 = 131,747.63/x
  3. Step 3: Cross multiply
    239,177.61x = 330,065.10 × 131,747.63
  4. Step 4: Simplify right side
    239,177.61x = 43,485,293,020.39
  5. Step 5: Solve for x
    x = 43,485,293,020.39/239,177.61
  6. Step 6: Final answer
    x = 181,811.72

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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.