Home / 118,864.41-164,035.07-65,149.02

Finding the Fourth Proportional to 118,864.41, 164,035.07 and 65,149.02

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Solution

The fourth proportional to 118,864.41, 164,035.07 and 65,149.02 is: 89,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,864.41 : 164,035.07 = 65,149.02 : x
  2. Step 2: Convert to fraction form
    118,864.41/164,035.07 = 65,149.02/x
  3. Step 3: Cross multiply
    118,864.41x = 164,035.07 × 65,149.02
  4. Step 4: Simplify right side
    118,864.41x = 10,686,723,730.39
  5. Step 5: Solve for x
    x = 10,686,723,730.39/118,864.41
  6. Step 6: Final answer
    x = 89,906.84

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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.