Home / 170,853.48-256,280.70-100,636.20

Finding the Fourth Proportional to 170,853.48, 256,280.70 and 100,636.20

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Solution

The fourth proportional to 170,853.48, 256,280.70 and 100,636.20 is: 150,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.48 : 256,280.70 = 100,636.20 : x
  2. Step 2: Convert to fraction form
    170,853.48/256,280.70 = 100,636.20/x
  3. Step 3: Cross multiply
    170,853.48x = 256,280.70 × 100,636.20
  4. Step 4: Simplify right side
    170,853.48x = 25,791,115,781.34
  5. Step 5: Solve for x
    x = 25,791,115,781.34/170,853.48
  6. Step 6: Final answer
    x = 150,954.58

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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.