Home / 191,474-264,240.20-119,831.12

Finding the Fourth Proportional to 191,474, 264,240.20 and 119,831.12

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Solution

The fourth proportional to 191,474, 264,240.20 and 119,831.12 is: 165,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,474 : 264,240.20 = 119,831.12 : x
  2. Step 2: Convert to fraction form
    191,474/264,240.20 = 119,831.12/x
  3. Step 3: Cross multiply
    191,474x = 264,240.20 × 119,831.12
  4. Step 4: Simplify right side
    191,474x = 31,664,199,115.02
  5. Step 5: Solve for x
    x = 31,664,199,115.02/191,474
  6. Step 6: Final answer
    x = 165,370.75

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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.