Home / 170,739.60-256,339.80-108,531.60

Finding the Fourth Proportional to 170,739.60, 256,339.80 and 108,531.60

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Solution

The fourth proportional to 170,739.60, 256,339.80 and 108,531.60 is: 162,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,739.60 : 256,339.80 = 108,531.60 : x
  2. Step 2: Convert to fraction form
    170,739.60/256,339.80 = 108,531.60/x
  3. Step 3: Cross multiply
    170,739.60x = 256,339.80 × 108,531.60
  4. Step 4: Simplify right side
    170,739.60x = 27,820,968,637.68
  5. Step 5: Solve for x
    x = 27,820,968,637.68/170,739.60
  6. Step 6: Final answer
    x = 162,943.86

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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.