Home / 97,490.30-146,235.45-82,456.70

Finding the Fourth Proportional to 97,490.30, 146,235.45 and 82,456.70

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Solution

The fourth proportional to 97,490.30, 146,235.45 and 82,456.70 is: 123,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,490.30 : 146,235.45 = 82,456.70 : x
  2. Step 2: Convert to fraction form
    97,490.30/146,235.45 = 82,456.70/x
  3. Step 3: Cross multiply
    97,490.30x = 146,235.45 × 82,456.70
  4. Step 4: Simplify right side
    97,490.30x = 12,058,092,630.02
  5. Step 5: Solve for x
    x = 12,058,092,630.02/97,490.30
  6. Step 6: Final answer
    x = 123,685.05

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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.