Home / 136,023.13-187,712.30-75,593.58

Finding the Fourth Proportional to 136,023.13, 187,712.30 and 75,593.58

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Solution

The fourth proportional to 136,023.13, 187,712.30 and 75,593.58 is: 104,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,023.13 : 187,712.30 = 75,593.58 : x
  2. Step 2: Convert to fraction form
    136,023.13/187,712.30 = 75,593.58/x
  3. Step 3: Cross multiply
    136,023.13x = 187,712.30 × 75,593.58
  4. Step 4: Simplify right side
    136,023.13x = 14,189,845,659.94
  5. Step 5: Solve for x
    x = 14,189,845,659.94/136,023.13
  6. Step 6: Final answer
    x = 104,319.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.