Home / 134,306.61-185,333.97-77,726.49

Finding the Fourth Proportional to 134,306.61, 185,333.97 and 77,726.49

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Solution

The fourth proportional to 134,306.61, 185,333.97 and 77,726.49 is: 107,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,306.61 : 185,333.97 = 77,726.49 : x
  2. Step 2: Convert to fraction form
    134,306.61/185,333.97 = 77,726.49/x
  3. Step 3: Cross multiply
    134,306.61x = 185,333.97 × 77,726.49
  4. Step 4: Simplify right side
    134,306.61x = 14,405,358,965.87
  5. Step 5: Solve for x
    x = 14,405,358,965.87/134,306.61
  6. Step 6: Final answer
    x = 107,257.26

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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.