Home / 238,870.12-329,633.58-131,440.36

Finding the Fourth Proportional to 238,870.12, 329,633.58 and 131,440.36

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Solution

The fourth proportional to 238,870.12, 329,633.58 and 131,440.36 is: 181,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,870.12 : 329,633.58 = 131,440.36 : x
  2. Step 2: Convert to fraction form
    238,870.12/329,633.58 = 131,440.36/x
  3. Step 3: Cross multiply
    238,870.12x = 329,633.58 × 131,440.36
  4. Step 4: Simplify right side
    238,870.12x = 43,327,156,423.29
  5. Step 5: Solve for x
    x = 43,327,156,423.29/238,870.12
  6. Step 6: Final answer
    x = 181,383.74

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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.