Home / 124,682.14-187,023.21-31,187.89

Finding the Fourth Proportional to 124,682.14, 187,023.21 and 31,187.89

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Solution

The fourth proportional to 124,682.14, 187,023.21 and 31,187.89 is: 46,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,682.14 : 187,023.21 = 31,187.89 : x
  2. Step 2: Convert to fraction form
    124,682.14/187,023.21 = 31,187.89/x
  3. Step 3: Cross multiply
    124,682.14x = 187,023.21 × 31,187.89
  4. Step 4: Simplify right side
    124,682.14x = 5,832,859,300.93
  5. Step 5: Solve for x
    x = 5,832,859,300.93/124,682.14
  6. Step 6: Final answer
    x = 46,781.84

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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.