Home / 170,859.03-256,142.73-120,781.59

Finding the Fourth Proportional to 170,859.03, 256,142.73 and 120,781.59

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Solution

The fourth proportional to 170,859.03, 256,142.73 and 120,781.59 is: 181,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,859.03 : 256,142.73 = 120,781.59 : x
  2. Step 2: Convert to fraction form
    170,859.03/256,142.73 = 120,781.59/x
  3. Step 3: Cross multiply
    170,859.03x = 256,142.73 × 120,781.59
  4. Step 4: Simplify right side
    170,859.03x = 30,937,326,196.34
  5. Step 5: Solve for x
    x = 30,937,326,196.34/170,859.03
  6. Step 6: Final answer
    x = 181,069.31

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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.