Home / 238,987.32-329,806.65-137,029.38

Finding the Fourth Proportional to 238,987.32, 329,806.65 and 137,029.38

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Solution

The fourth proportional to 238,987.32, 329,806.65 and 137,029.38 is: 189,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,987.32 : 329,806.65 = 137,029.38 : x
  2. Step 2: Convert to fraction form
    238,987.32/329,806.65 = 137,029.38/x
  3. Step 3: Cross multiply
    238,987.32x = 329,806.65 × 137,029.38
  4. Step 4: Simplify right side
    238,987.32x = 45,193,199,120.34
  5. Step 5: Solve for x
    x = 45,193,199,120.34/238,987.32
  6. Step 6: Final answer
    x = 189,102.92

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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.