Home / 137,787.40-206,627.95-53,536.47

Finding the Fourth Proportional to 137,787.40, 206,627.95 and 53,536.47

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Solution

The fourth proportional to 137,787.40, 206,627.95 and 53,536.47 is: 80,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,787.40 : 206,627.95 = 53,536.47 : x
  2. Step 2: Convert to fraction form
    137,787.40/206,627.95 = 53,536.47/x
  3. Step 3: Cross multiply
    137,787.40x = 206,627.95 × 53,536.47
  4. Step 4: Simplify right side
    137,787.40x = 11,062,131,070.11
  5. Step 5: Solve for x
    x = 11,062,131,070.11/137,787.40
  6. Step 6: Final answer
    x = 80,284.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.