Home / 124,681.14-187,021.71-31,186.89

Finding the Fourth Proportional to 124,681.14, 187,021.71 and 31,186.89

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Solution

The fourth proportional to 124,681.14, 187,021.71 and 31,186.89 is: 46,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,681.14 : 187,021.71 = 31,186.89 : x
  2. Step 2: Convert to fraction form
    124,681.14/187,021.71 = 31,186.89/x
  3. Step 3: Cross multiply
    124,681.14x = 187,021.71 × 31,186.89
  4. Step 4: Simplify right side
    124,681.14x = 5,832,625,497.38
  5. Step 5: Solve for x
    x = 5,832,625,497.38/124,681.14
  6. Step 6: Final answer
    x = 46,780.34

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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.