Home / 187,344.34-258,565.80-139,265.62

Finding the Fourth Proportional to 187,344.34, 258,565.80 and 139,265.62

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Solution

The fourth proportional to 187,344.34, 258,565.80 and 139,265.62 is: 192,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344.34 : 258,565.80 = 139,265.62 : x
  2. Step 2: Convert to fraction form
    187,344.34/258,565.80 = 139,265.62/x
  3. Step 3: Cross multiply
    187,344.34x = 258,565.80 × 139,265.62
  4. Step 4: Simplify right side
    187,344.34x = 36,009,326,447.80
  5. Step 5: Solve for x
    x = 36,009,326,447.80/187,344.34
  6. Step 6: Final answer
    x = 192,209.31

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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.