Home / 97,947.40-146,818.70-53,505.80

Finding the Fourth Proportional to 97,947.40, 146,818.70 and 53,505.80

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Solution

The fourth proportional to 97,947.40, 146,818.70 and 53,505.80 is: 80,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,947.40 : 146,818.70 = 53,505.80 : x
  2. Step 2: Convert to fraction form
    97,947.40/146,818.70 = 53,505.80/x
  3. Step 3: Cross multiply
    97,947.40x = 146,818.70 × 53,505.80
  4. Step 4: Simplify right side
    97,947.40x = 7,855,651,998.46
  5. Step 5: Solve for x
    x = 7,855,651,998.46/97,947.40
  6. Step 6: Final answer
    x = 80,202.76

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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.