Home / 170,341.20-255,669.48-86,160.96

Finding the Fourth Proportional to 170,341.20, 255,669.48 and 86,160.96

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Solution

The fourth proportional to 170,341.20, 255,669.48 and 86,160.96 is: 129,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,341.20 : 255,669.48 = 86,160.96 : x
  2. Step 2: Convert to fraction form
    170,341.20/255,669.48 = 86,160.96/x
  3. Step 3: Cross multiply
    170,341.20x = 255,669.48 × 86,160.96
  4. Step 4: Simplify right side
    170,341.20x = 22,028,727,839.50
  5. Step 5: Solve for x
    x = 22,028,727,839.50/170,341.20
  6. Step 6: Final answer
    x = 129,321.20

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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.