Home / 134,683.43-185,864.45-74,256.44

Finding the Fourth Proportional to 134,683.43, 185,864.45 and 74,256.44

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Solution

The fourth proportional to 134,683.43, 185,864.45 and 74,256.44 is: 102,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,683.43 : 185,864.45 = 74,256.44 : x
  2. Step 2: Convert to fraction form
    134,683.43/185,864.45 = 74,256.44/x
  3. Step 3: Cross multiply
    134,683.43x = 185,864.45 × 74,256.44
  4. Step 4: Simplify right side
    134,683.43x = 13,801,631,078.95
  5. Step 5: Solve for x
    x = 13,801,631,078.95/134,683.43
  6. Step 6: Final answer
    x = 102,474.61

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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.