Home / 134,881.64-186,135.60-74,452.25

Finding the Fourth Proportional to 134,881.64, 186,135.60 and 74,452.25

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Solution

The fourth proportional to 134,881.64, 186,135.60 and 74,452.25 is: 102,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.64 : 186,135.60 = 74,452.25 : x
  2. Step 2: Convert to fraction form
    134,881.64/186,135.60 = 74,452.25/x
  3. Step 3: Cross multiply
    134,881.64x = 186,135.60 × 74,452.25
  4. Step 4: Simplify right side
    134,881.64x = 13,858,213,294.42
  5. Step 5: Solve for x
    x = 13,858,213,294.42/134,881.64
  6. Step 6: Final answer
    x = 102,743.52

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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.