Home / 170,890.40-256,335.60-100,848.80

Finding the Fourth Proportional to 170,890.40, 256,335.60 and 100,848.80

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Solution

The fourth proportional to 170,890.40, 256,335.60 and 100,848.80 is: 151,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,890.40 : 256,335.60 = 100,848.80 : x
  2. Step 2: Convert to fraction form
    170,890.40/256,335.60 = 100,848.80/x
  3. Step 3: Cross multiply
    170,890.40x = 256,335.60 × 100,848.80
  4. Step 4: Simplify right side
    170,890.40x = 25,851,137,657.28
  5. Step 5: Solve for x
    x = 25,851,137,657.28/170,890.40
  6. Step 6: Final answer
    x = 151,273.20

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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.