Home / 152,071.20-227,919.96-85,371.48

Finding the Fourth Proportional to 152,071.20, 227,919.96 and 85,371.48

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Solution

The fourth proportional to 152,071.20, 227,919.96 and 85,371.48 is: 127,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.20 : 227,919.96 = 85,371.48 : x
  2. Step 2: Convert to fraction form
    152,071.20/227,919.96 = 85,371.48/x
  3. Step 3: Cross multiply
    152,071.20x = 227,919.96 × 85,371.48
  4. Step 4: Simplify right side
    152,071.20x = 19,457,864,306.74
  5. Step 5: Solve for x
    x = 19,457,864,306.74/152,071.20
  6. Step 6: Final answer
    x = 127,952.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.