Home / 238,700.36-329,406.08-136,758.80

Finding the Fourth Proportional to 238,700.36, 329,406.08 and 136,758.80

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Solution

The fourth proportional to 238,700.36, 329,406.08 and 136,758.80 is: 188,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,700.36 : 329,406.08 = 136,758.80 : x
  2. Step 2: Convert to fraction form
    238,700.36/329,406.08 = 136,758.80/x
  3. Step 3: Cross multiply
    238,700.36x = 329,406.08 × 136,758.80
  4. Step 4: Simplify right side
    238,700.36x = 45,049,180,213.50
  5. Step 5: Solve for x
    x = 45,049,180,213.50/238,700.36
  6. Step 6: Final answer
    x = 188,726.91

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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.