Home / 134,531.82-185,647.06-74,101.16

Finding the Fourth Proportional to 134,531.82, 185,647.06 and 74,101.16

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Solution

The fourth proportional to 134,531.82, 185,647.06 and 74,101.16 is: 102,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.82 : 185,647.06 = 74,101.16 : x
  2. Step 2: Convert to fraction form
    134,531.82/185,647.06 = 74,101.16/x
  3. Step 3: Cross multiply
    134,531.82x = 185,647.06 × 74,101.16
  4. Step 4: Simplify right side
    134,531.82x = 13,756,661,197.85
  5. Step 5: Solve for x
    x = 13,756,661,197.85/134,531.82
  6. Step 6: Final answer
    x = 102,255.82

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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.