Home / 134,941.05-186,221.55-74,515.56

Finding the Fourth Proportional to 134,941.05, 186,221.55 and 74,515.56

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Solution

The fourth proportional to 134,941.05, 186,221.55 and 74,515.56 is: 102,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,941.05 : 186,221.55 = 74,515.56 : x
  2. Step 2: Convert to fraction form
    134,941.05/186,221.55 = 74,515.56/x
  3. Step 3: Cross multiply
    134,941.05x = 186,221.55 × 74,515.56
  4. Step 4: Simplify right side
    134,941.05x = 13,876,403,082.32
  5. Step 5: Solve for x
    x = 13,876,403,082.32/134,941.05
  6. Step 6: Final answer
    x = 102,833.07

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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.