Home / 134,549.06-185,675.37-77,965.70

Finding the Fourth Proportional to 134,549.06, 185,675.37 and 77,965.70

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Solution

The fourth proportional to 134,549.06, 185,675.37 and 77,965.70 is: 107,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,549.06 : 185,675.37 = 77,965.70 : x
  2. Step 2: Convert to fraction form
    134,549.06/185,675.37 = 77,965.70/x
  3. Step 3: Cross multiply
    134,549.06x = 185,675.37 × 77,965.70
  4. Step 4: Simplify right side
    134,549.06x = 14,476,310,194.81
  5. Step 5: Solve for x
    x = 14,476,310,194.81/134,549.06
  6. Step 6: Final answer
    x = 107,591.31

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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.