Home / 134,124.16-185,021.94-91,105.87

Finding the Fourth Proportional to 134,124.16, 185,021.94 and 91,105.87

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Solution

The fourth proportional to 134,124.16, 185,021.94 and 91,105.87 is: 125,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,124.16 : 185,021.94 = 91,105.87 : x
  2. Step 2: Convert to fraction form
    134,124.16/185,021.94 = 91,105.87/x
  3. Step 3: Cross multiply
    134,124.16x = 185,021.94 × 91,105.87
  4. Step 4: Simplify right side
    134,124.16x = 16,856,584,812.79
  5. Step 5: Solve for x
    x = 16,856,584,812.79/134,124.16
  6. Step 6: Final answer
    x = 125,678.96

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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.