Home / 238,776.81-329,508.54-131,340.48

Finding the Fourth Proportional to 238,776.81, 329,508.54 and 131,340.48

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Solution

The fourth proportional to 238,776.81, 329,508.54 and 131,340.48 is: 181,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,776.81 : 329,508.54 = 131,340.48 : x
  2. Step 2: Convert to fraction form
    238,776.81/329,508.54 = 131,340.48/x
  3. Step 3: Cross multiply
    238,776.81x = 329,508.54 × 131,340.48
  4. Step 4: Simplify right side
    238,776.81x = 43,277,809,807.70
  5. Step 5: Solve for x
    x = 43,277,809,807.70/238,776.81
  6. Step 6: Final answer
    x = 181,247.96

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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.