Home / 170,496.54-255,513.33-90,514.29

Finding the Fourth Proportional to 170,496.54, 255,513.33 and 90,514.29

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Solution

The fourth proportional to 170,496.54, 255,513.33 and 90,514.29 is: 135,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,496.54 : 255,513.33 = 90,514.29 : x
  2. Step 2: Convert to fraction form
    170,496.54/255,513.33 = 90,514.29/x
  3. Step 3: Cross multiply
    170,496.54x = 255,513.33 × 90,514.29
  4. Step 4: Simplify right side
    170,496.54x = 23,127,607,650.49
  5. Step 5: Solve for x
    x = 23,127,607,650.49/170,496.54
  6. Step 6: Final answer
    x = 135,648.55

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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.