Home / 195,787.40-293,681.10-71,112.20

Finding the Fourth Proportional to 195,787.40, 293,681.10 and 71,112.20

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Solution

The fourth proportional to 195,787.40, 293,681.10 and 71,112.20 is: 106,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,787.40 : 293,681.10 = 71,112.20 : x
  2. Step 2: Convert to fraction form
    195,787.40/293,681.10 = 71,112.20/x
  3. Step 3: Cross multiply
    195,787.40x = 293,681.10 × 71,112.20
  4. Step 4: Simplify right side
    195,787.40x = 20,884,309,119.42
  5. Step 5: Solve for x
    x = 20,884,309,119.42/195,787.40
  6. Step 6: Final answer
    x = 106,668.30

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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.