Home / 238,581.95-329,243.45-131,152.64

Finding the Fourth Proportional to 238,581.95, 329,243.45 and 131,152.64

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Solution

The fourth proportional to 238,581.95, 329,243.45 and 131,152.64 is: 180,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,581.95 : 329,243.45 = 131,152.64 : x
  2. Step 2: Convert to fraction form
    238,581.95/329,243.45 = 131,152.64/x
  3. Step 3: Cross multiply
    238,581.95x = 329,243.45 × 131,152.64
  4. Step 4: Simplify right side
    238,581.95x = 43,181,145,368.23
  5. Step 5: Solve for x
    x = 43,181,145,368.23/238,581.95
  6. Step 6: Final answer
    x = 180,990.83

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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.