Home / 134,333.40-185,425.62-83,375.96

Finding the Fourth Proportional to 134,333.40, 185,425.62 and 83,375.96

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Solution

The fourth proportional to 134,333.40, 185,425.62 and 83,375.96 is: 115,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,333.40 : 185,425.62 = 83,375.96 : x
  2. Step 2: Convert to fraction form
    134,333.40/185,425.62 = 83,375.96/x
  3. Step 3: Cross multiply
    134,333.40x = 185,425.62 × 83,375.96
  4. Step 4: Simplify right side
    134,333.40x = 15,460,039,076.10
  5. Step 5: Solve for x
    x = 15,460,039,076.10/134,333.40
  6. Step 6: Final answer
    x = 115,087.08

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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.