Home / 134,824.05-186,054-74,394.70

Finding the Fourth Proportional to 134,824.05, 186,054 and 74,394.70

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Solution

The fourth proportional to 134,824.05, 186,054 and 74,394.70 is: 102,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.05 : 186,054 = 74,394.70 : x
  2. Step 2: Convert to fraction form
    134,824.05/186,054 = 74,394.70/x
  3. Step 3: Cross multiply
    134,824.05x = 186,054 × 74,394.70
  4. Step 4: Simplify right side
    134,824.05x = 13,841,431,513.80
  5. Step 5: Solve for x
    x = 13,841,431,513.80/134,824.05
  6. Step 6: Final answer
    x = 102,662.93

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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.