Home / 170,666.40-255,999.60-108,407.20

Finding the Fourth Proportional to 170,666.40, 255,999.60 and 108,407.20

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Solution

The fourth proportional to 170,666.40, 255,999.60 and 108,407.20 is: 162,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,666.40 : 255,999.60 = 108,407.20 : x
  2. Step 2: Convert to fraction form
    170,666.40/255,999.60 = 108,407.20/x
  3. Step 3: Cross multiply
    170,666.40x = 255,999.60 × 108,407.20
  4. Step 4: Simplify right side
    170,666.40x = 27,752,199,837.12
  5. Step 5: Solve for x
    x = 27,752,199,837.12/170,666.40
  6. Step 6: Final answer
    x = 162,610.80

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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.