Home / 130,315.20-195,566.13-55,487.85

Finding the Fourth Proportional to 130,315.20, 195,566.13 and 55,487.85

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Solution

The fourth proportional to 130,315.20, 195,566.13 and 55,487.85 is: 83,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,315.20 : 195,566.13 = 55,487.85 : x
  2. Step 2: Convert to fraction form
    130,315.20/195,566.13 = 55,487.85/x
  3. Step 3: Cross multiply
    130,315.20x = 195,566.13 × 55,487.85
  4. Step 4: Simplify right side
    130,315.20x = 10,851,544,086.52
  5. Step 5: Solve for x
    x = 10,851,544,086.52/130,315.20
  6. Step 6: Final answer
    x = 83,271.51

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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.