Home / 170,261.64-255,549.84-86,081.04

Finding the Fourth Proportional to 170,261.64, 255,549.84 and 86,081.04

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Solution

The fourth proportional to 170,261.64, 255,549.84 and 86,081.04 is: 129,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,261.64 : 255,549.84 = 86,081.04 : x
  2. Step 2: Convert to fraction form
    170,261.64/255,549.84 = 86,081.04/x
  3. Step 3: Cross multiply
    170,261.64x = 255,549.84 × 86,081.04
  4. Step 4: Simplify right side
    170,261.64x = 21,997,995,999.03
  5. Step 5: Solve for x
    x = 21,997,995,999.03/170,261.64
  6. Step 6: Final answer
    x = 129,201.13

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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.