Home / 170,776.80-256,141.08-107,403.66

Finding the Fourth Proportional to 170,776.80, 256,141.08 and 107,403.66

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Solution

The fourth proportional to 170,776.80, 256,141.08 and 107,403.66 is: 161,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,776.80 : 256,141.08 = 107,403.66 : x
  2. Step 2: Convert to fraction form
    170,776.80/256,141.08 = 107,403.66/x
  3. Step 3: Cross multiply
    170,776.80x = 256,141.08 × 107,403.66
  4. Step 4: Simplify right side
    170,776.80x = 27,510,489,468.35
  5. Step 5: Solve for x
    x = 27,510,489,468.35/170,776.80
  6. Step 6: Final answer
    x = 161,090.32

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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.