Home / 97,939.52-146,905.17-31,378.17

Finding the Fourth Proportional to 97,939.52, 146,905.17 and 31,378.17

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Solution

The fourth proportional to 97,939.52, 146,905.17 and 31,378.17 is: 47,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,939.52 : 146,905.17 = 31,378.17 : x
  2. Step 2: Convert to fraction form
    97,939.52/146,905.17 = 31,378.17/x
  3. Step 3: Cross multiply
    97,939.52x = 146,905.17 × 31,378.17
  4. Step 4: Simplify right side
    97,939.52x = 4,609,615,398.14
  5. Step 5: Solve for x
    x = 4,609,615,398.14/97,939.52
  6. Step 6: Final answer
    x = 47,065.94

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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.