Home / 170,915.04-256,352.40-107,548.20

Finding the Fourth Proportional to 170,915.04, 256,352.40 and 107,548.20

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Solution

The fourth proportional to 170,915.04, 256,352.40 and 107,548.20 is: 161,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,915.04 : 256,352.40 = 107,548.20 : x
  2. Step 2: Convert to fraction form
    170,915.04/256,352.40 = 107,548.20/x
  3. Step 3: Cross multiply
    170,915.04x = 256,352.40 × 107,548.20
  4. Step 4: Simplify right side
    170,915.04x = 27,570,239,185.68
  5. Step 5: Solve for x
    x = 27,570,239,185.68/170,915.04
  6. Step 6: Final answer
    x = 161,309.61

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1.5x scale

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.