Home / 170,749.60-256,124.40-82,176.10

Finding the Fourth Proportional to 170,749.60, 256,124.40 and 82,176.10

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Solution

The fourth proportional to 170,749.60, 256,124.40 and 82,176.10 is: 123,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,749.60 : 256,124.40 = 82,176.10 : x
  2. Step 2: Convert to fraction form
    170,749.60/256,124.40 = 82,176.10/x
  3. Step 3: Cross multiply
    170,749.60x = 256,124.40 × 82,176.10
  4. Step 4: Simplify right side
    170,749.60x = 21,047,304,306.84
  5. Step 5: Solve for x
    x = 21,047,304,306.84/170,749.60
  6. Step 6: Final answer
    x = 123,264.15

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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.