Home / 130,309.85-195,339.93-41,505.80

Finding the Fourth Proportional to 130,309.85, 195,339.93 and 41,505.80

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Solution

The fourth proportional to 130,309.85, 195,339.93 and 41,505.80 is: 62,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,309.85 : 195,339.93 = 41,505.80 : x
  2. Step 2: Convert to fraction form
    130,309.85/195,339.93 = 41,505.80/x
  3. Step 3: Cross multiply
    130,309.85x = 195,339.93 × 41,505.80
  4. Step 4: Simplify right side
    130,309.85x = 8,107,739,089.89
  5. Step 5: Solve for x
    x = 8,107,739,089.89/130,309.85
  6. Step 6: Final answer
    x = 62,218.93

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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.