Home / 103,049.20-154,569.75-36,486.64

Finding the Fourth Proportional to 103,049.20, 154,569.75 and 36,486.64

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Solution

The fourth proportional to 103,049.20, 154,569.75 and 36,486.64 is: 54,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.20 : 154,569.75 = 36,486.64 : x
  2. Step 2: Convert to fraction form
    103,049.20/154,569.75 = 36,486.64/x
  3. Step 3: Cross multiply
    103,049.20x = 154,569.75 × 36,486.64
  4. Step 4: Simplify right side
    103,049.20x = 5,639,730,823.14
  5. Step 5: Solve for x
    x = 5,639,730,823.14/103,049.20
  6. Step 6: Final answer
    x = 54,728.53

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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.