Home / 97,288.08-145,825.20-38,112.72

Finding the Fourth Proportional to 97,288.08, 145,825.20 and 38,112.72

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Solution

The fourth proportional to 97,288.08, 145,825.20 and 38,112.72 is: 57,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.08 : 145,825.20 = 38,112.72 : x
  2. Step 2: Convert to fraction form
    97,288.08/145,825.20 = 38,112.72/x
  3. Step 3: Cross multiply
    97,288.08x = 145,825.20 × 38,112.72
  4. Step 4: Simplify right side
    97,288.08x = 5,557,795,016.54
  5. Step 5: Solve for x
    x = 5,557,795,016.54/97,288.08
  6. Step 6: Final answer
    x = 57,127.19

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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.