Home / 130,433.20-195,358.20-112,937.20

Finding the Fourth Proportional to 130,433.20, 195,358.20 and 112,937.20

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Solution

The fourth proportional to 130,433.20, 195,358.20 and 112,937.20 is: 169,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,433.20 : 195,358.20 = 112,937.20 : x
  2. Step 2: Convert to fraction form
    130,433.20/195,358.20 = 112,937.20/x
  3. Step 3: Cross multiply
    130,433.20x = 195,358.20 × 112,937.20
  4. Step 4: Simplify right side
    130,433.20x = 22,063,208,105.04
  5. Step 5: Solve for x
    x = 22,063,208,105.04/130,433.20
  6. Step 6: Final answer
    x = 169,153.31

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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.