Home / 130,717.20-195,784.20-101,038.80

Finding the Fourth Proportional to 130,717.20, 195,784.20 and 101,038.80

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Solution

The fourth proportional to 130,717.20, 195,784.20 and 101,038.80 is: 151,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,717.20 : 195,784.20 = 101,038.80 : x
  2. Step 2: Convert to fraction form
    130,717.20/195,784.20 = 101,038.80/x
  3. Step 3: Cross multiply
    130,717.20x = 195,784.20 × 101,038.80
  4. Step 4: Simplify right side
    130,717.20x = 19,781,800,626.96
  5. Step 5: Solve for x
    x = 19,781,800,626.96/130,717.20
  6. Step 6: Final answer
    x = 151,332.81

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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.