Home / 97,747.80-146,621.70-87,898.20

Finding the Fourth Proportional to 97,747.80, 146,621.70 and 87,898.20

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Solution

The fourth proportional to 97,747.80, 146,621.70 and 87,898.20 is: 131,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.80 : 146,621.70 = 87,898.20 : x
  2. Step 2: Convert to fraction form
    97,747.80/146,621.70 = 87,898.20/x
  3. Step 3: Cross multiply
    97,747.80x = 146,621.70 × 87,898.20
  4. Step 4: Simplify right side
    97,747.80x = 12,887,783,510.94
  5. Step 5: Solve for x
    x = 12,887,783,510.94/97,747.80
  6. Step 6: Final answer
    x = 131,847.30

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Similar ratio
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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.