Home / 106,144.39-146,478.18-58,397.77

Finding the Fourth Proportional to 106,144.39, 146,478.18 and 58,397.77

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Solution

The fourth proportional to 106,144.39, 146,478.18 and 58,397.77 is: 80,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,144.39 : 146,478.18 = 58,397.77 : x
  2. Step 2: Convert to fraction form
    106,144.39/146,478.18 = 58,397.77/x
  3. Step 3: Cross multiply
    106,144.39x = 146,478.18 × 58,397.77
  4. Step 4: Simplify right side
    106,144.39x = 8,553,999,065.66
  5. Step 5: Solve for x
    x = 8,553,999,065.66/106,144.39
  6. Step 6: Final answer
    x = 80,588.33

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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.