Home / 125,148.48-172,703.94-67,786.56

Finding the Fourth Proportional to 125,148.48, 172,703.94 and 67,786.56

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Solution

The fourth proportional to 125,148.48, 172,703.94 and 67,786.56 is: 93,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,148.48 : 172,703.94 = 67,786.56 : x
  2. Step 2: Convert to fraction form
    125,148.48/172,703.94 = 67,786.56/x
  3. Step 3: Cross multiply
    125,148.48x = 172,703.94 × 67,786.56
  4. Step 4: Simplify right side
    125,148.48x = 11,707,005,991.05
  5. Step 5: Solve for x
    x = 11,707,005,991.05/125,148.48
  6. Step 6: Final answer
    x = 93,544.93

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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.