Home / 102,799.73-154,214.08-31,728.14

Finding the Fourth Proportional to 102,799.73, 154,214.08 and 31,728.14

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Solution

The fourth proportional to 102,799.73, 154,214.08 and 31,728.14 is: 47,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,799.73 : 154,214.08 = 31,728.14 : x
  2. Step 2: Convert to fraction form
    102,799.73/154,214.08 = 31,728.14/x
  3. Step 3: Cross multiply
    102,799.73x = 154,214.08 × 31,728.14
  4. Step 4: Simplify right side
    102,799.73x = 4,892,925,648.12
  5. Step 5: Solve for x
    x = 4,892,925,648.12/102,799.73
  6. Step 6: Final answer
    x = 47,596.68

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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.