Home / 132,219-198,197.28-61,972.56

Finding the Fourth Proportional to 132,219, 198,197.28 and 61,972.56

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Solution

The fourth proportional to 132,219, 198,197.28 and 61,972.56 is: 92,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219 : 198,197.28 = 61,972.56 : x
  2. Step 2: Convert to fraction form
    132,219/198,197.28 = 61,972.56/x
  3. Step 3: Cross multiply
    132,219x = 198,197.28 × 61,972.56
  4. Step 4: Simplify right side
    132,219x = 12,282,792,826.64
  5. Step 5: Solve for x
    x = 12,282,792,826.64/132,219
  6. Step 6: Final answer
    x = 92,897.34

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1.5x scale

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.