Home / 130,161.80-195,096.90-55,269.20

Finding the Fourth Proportional to 130,161.80, 195,096.90 and 55,269.20

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Solution

The fourth proportional to 130,161.80, 195,096.90 and 55,269.20 is: 82,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161.80 : 195,096.90 = 55,269.20 : x
  2. Step 2: Convert to fraction form
    130,161.80/195,096.90 = 55,269.20/x
  3. Step 3: Cross multiply
    130,161.80x = 195,096.90 × 55,269.20
  4. Step 4: Simplify right side
    130,161.80x = 10,782,849,585.48
  5. Step 5: Solve for x
    x = 10,782,849,585.48/130,161.80
  6. Step 6: Final answer
    x = 82,841.89

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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.