Home / 124,215.39-186,320.93-30,721.14

Finding the Fourth Proportional to 124,215.39, 186,320.93 and 30,721.14

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Solution

The fourth proportional to 124,215.39, 186,320.93 and 30,721.14 is: 46,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,215.39 : 186,320.93 = 30,721.14 : x
  2. Step 2: Convert to fraction form
    124,215.39/186,320.93 = 30,721.14/x
  3. Step 3: Cross multiply
    124,215.39x = 186,320.93 × 30,721.14
  4. Step 4: Simplify right side
    124,215.39x = 5,723,991,221.85
  5. Step 5: Solve for x
    x = 5,723,991,221.85/124,215.39
  6. Step 6: Final answer
    x = 46,081.18

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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.