Home / 130,634.04-196,031.28-103,821.42

Finding the Fourth Proportional to 130,634.04, 196,031.28 and 103,821.42

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Solution

The fourth proportional to 130,634.04, 196,031.28 and 103,821.42 is: 155,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,634.04 : 196,031.28 = 103,821.42 : x
  2. Step 2: Convert to fraction form
    130,634.04/196,031.28 = 103,821.42/x
  3. Step 3: Cross multiply
    130,634.04x = 196,031.28 × 103,821.42
  4. Step 4: Simplify right side
    130,634.04x = 20,352,245,854.02
  5. Step 5: Solve for x
    x = 20,352,245,854.02/130,634.04
  6. Step 6: Final answer
    x = 155,795.88

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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.