Home / 136,019.24-187,712.18-75,589.64

Finding the Fourth Proportional to 136,019.24, 187,712.18 and 75,589.64

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Solution

The fourth proportional to 136,019.24, 187,712.18 and 75,589.64 is: 104,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.24 : 187,712.18 = 75,589.64 : x
  2. Step 2: Convert to fraction form
    136,019.24/187,712.18 = 75,589.64/x
  3. Step 3: Cross multiply
    136,019.24x = 187,712.18 × 75,589.64
  4. Step 4: Simplify right side
    136,019.24x = 14,189,096,109.82
  5. Step 5: Solve for x
    x = 14,189,096,109.82/136,019.24
  6. Step 6: Final answer
    x = 104,316.83

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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.