Home / 351,153.45-526,745.18-137,967.52

Finding the Fourth Proportional to 351,153.45, 526,745.18 and 137,967.52

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Solution

The fourth proportional to 351,153.45, 526,745.18 and 137,967.52 is: 206,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,153.45 : 526,745.18 = 137,967.52 : x
  2. Step 2: Convert to fraction form
    351,153.45/526,745.18 = 137,967.52/x
  3. Step 3: Cross multiply
    351,153.45x = 526,745.18 × 137,967.52
  4. Step 4: Simplify right side
    351,153.45x = 72,673,726,156.55
  5. Step 5: Solve for x
    x = 72,673,726,156.55/351,153.45
  6. Step 6: Final answer
    x = 206,957.18

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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.