Home / 147,891.70-221,837.55-97,153.30

Finding the Fourth Proportional to 147,891.70, 221,837.55 and 97,153.30

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Solution

The fourth proportional to 147,891.70, 221,837.55 and 97,153.30 is: 145,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,891.70 : 221,837.55 = 97,153.30 : x
  2. Step 2: Convert to fraction form
    147,891.70/221,837.55 = 97,153.30/x
  3. Step 3: Cross multiply
    147,891.70x = 221,837.55 × 97,153.30
  4. Step 4: Simplify right side
    147,891.70x = 21,552,250,046.42
  5. Step 5: Solve for x
    x = 21,552,250,046.42/147,891.70
  6. Step 6: Final answer
    x = 145,729.95

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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.