Home / 106,737.39-160,100.31-54,145.51

Finding the Fourth Proportional to 106,737.39, 160,100.31 and 54,145.51

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Solution

The fourth proportional to 106,737.39, 160,100.31 and 54,145.51 is: 81,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,737.39 : 160,100.31 = 54,145.51 : x
  2. Step 2: Convert to fraction form
    106,737.39/160,100.31 = 54,145.51/x
  3. Step 3: Cross multiply
    106,737.39x = 160,100.31 × 54,145.51
  4. Step 4: Simplify right side
    106,737.39x = 8,668,712,535.86
  5. Step 5: Solve for x
    x = 8,668,712,535.86/106,737.39
  6. Step 6: Final answer
    x = 81,215.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.