Home / 130,701.12-195,946.08-50,697.78

Finding the Fourth Proportional to 130,701.12, 195,946.08 and 50,697.78

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Solution

The fourth proportional to 130,701.12, 195,946.08 and 50,697.78 is: 76,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,701.12 : 195,946.08 = 50,697.78 : x
  2. Step 2: Convert to fraction form
    130,701.12/195,946.08 = 50,697.78/x
  3. Step 3: Cross multiply
    130,701.12x = 195,946.08 × 50,697.78
  4. Step 4: Simplify right side
    130,701.12x = 9,934,031,255.70
  5. Step 5: Solve for x
    x = 9,934,031,255.70/130,701.12
  6. Step 6: Final answer
    x = 76,005.71

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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.