Home / 238,984.38-329,807.85-131,564.40

Finding the Fourth Proportional to 238,984.38, 329,807.85 and 131,564.40

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Solution

The fourth proportional to 238,984.38, 329,807.85 and 131,564.40 is: 181,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,984.38 : 329,807.85 = 131,564.40 : x
  2. Step 2: Convert to fraction form
    238,984.38/329,807.85 = 131,564.40/x
  3. Step 3: Cross multiply
    238,984.38x = 329,807.85 × 131,564.40
  4. Step 4: Simplify right side
    238,984.38x = 43,390,971,900.54
  5. Step 5: Solve for x
    x = 43,390,971,900.54/238,984.38
  6. Step 6: Final answer
    x = 181,564.05

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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.