Home / 195,712.80-293,569.20-121,882.40

Finding the Fourth Proportional to 195,712.80, 293,569.20 and 121,882.40

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Solution

The fourth proportional to 195,712.80, 293,569.20 and 121,882.40 is: 182,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712.80 : 293,569.20 = 121,882.40 : x
  2. Step 2: Convert to fraction form
    195,712.80/293,569.20 = 121,882.40/x
  3. Step 3: Cross multiply
    195,712.80x = 293,569.20 × 121,882.40
  4. Step 4: Simplify right side
    195,712.80x = 35,780,918,662.08
  5. Step 5: Solve for x
    x = 35,780,918,662.08/195,712.80
  6. Step 6: Final answer
    x = 182,823.60

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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.