Home / 129,392.48-193,973.28-50,488.35

Finding the Fourth Proportional to 129,392.48, 193,973.28 and 50,488.35

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Solution

The fourth proportional to 129,392.48, 193,973.28 and 50,488.35 is: 75,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,392.48 : 193,973.28 = 50,488.35 : x
  2. Step 2: Convert to fraction form
    129,392.48/193,973.28 = 50,488.35/x
  3. Step 3: Cross multiply
    129,392.48x = 193,973.28 × 50,488.35
  4. Step 4: Simplify right side
    129,392.48x = 9,793,390,851.29
  5. Step 5: Solve for x
    x = 9,793,390,851.29/129,392.48
  6. Step 6: Final answer
    x = 75,687.48

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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.