Home / 238,653.90-329,343.63-131,230.83

Finding the Fourth Proportional to 238,653.90, 329,343.63 and 131,230.83

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Solution

The fourth proportional to 238,653.90, 329,343.63 and 131,230.83 is: 181,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,653.90 : 329,343.63 = 131,230.83 : x
  2. Step 2: Convert to fraction form
    238,653.90/329,343.63 = 131,230.83/x
  3. Step 3: Cross multiply
    238,653.90x = 329,343.63 × 131,230.83
  4. Step 4: Simplify right side
    238,653.90x = 43,220,037,920.11
  5. Step 5: Solve for x
    x = 43,220,037,920.11/238,653.90
  6. Step 6: Final answer
    x = 181,099.23

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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.