Home / 238,645.59-329,332.14-131,222.55

Finding the Fourth Proportional to 238,645.59, 329,332.14 and 131,222.55

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Solution

The fourth proportional to 238,645.59, 329,332.14 and 131,222.55 is: 181,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,645.59 : 329,332.14 = 131,222.55 : x
  2. Step 2: Convert to fraction form
    238,645.59/329,332.14 = 131,222.55/x
  3. Step 3: Cross multiply
    238,645.59x = 329,332.14 × 131,222.55
  4. Step 4: Simplify right side
    238,645.59x = 43,215,803,207.76
  5. Step 5: Solve for x
    x = 43,215,803,207.76/238,645.59
  6. Step 6: Final answer
    x = 181,087.79

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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.