Home / 238,747.90-329,478.34-131,320.76

Finding the Fourth Proportional to 238,747.90, 329,478.34 and 131,320.76

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Solution

The fourth proportional to 238,747.90, 329,478.34 and 131,320.76 is: 181,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,747.90 : 329,478.34 = 131,320.76 : x
  2. Step 2: Convert to fraction form
    238,747.90/329,478.34 = 131,320.76/x
  3. Step 3: Cross multiply
    238,747.90x = 329,478.34 × 131,320.76
  4. Step 4: Simplify right side
    238,747.90x = 43,267,346,012.34
  5. Step 5: Solve for x
    x = 43,267,346,012.34/238,747.90
  6. Step 6: Final answer
    x = 181,226.08

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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.