Home / 187,686.79-281,545.77-61,324.36

Finding the Fourth Proportional to 187,686.79, 281,545.77 and 61,324.36

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Solution

The fourth proportional to 187,686.79, 281,545.77 and 61,324.36 is: 91,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.79 : 281,545.77 = 61,324.36 : x
  2. Step 2: Convert to fraction form
    187,686.79/281,545.77 = 61,324.36/x
  3. Step 3: Cross multiply
    187,686.79x = 281,545.77 × 61,324.36
  4. Step 4: Simplify right side
    187,686.79x = 17,265,613,682.06
  5. Step 5: Solve for x
    x = 17,265,613,682.06/187,686.79
  6. Step 6: Final answer
    x = 91,991.63

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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.