Home / 103,209.42-154,815.96-36,603.12

Finding the Fourth Proportional to 103,209.42, 154,815.96 and 36,603.12

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Solution

The fourth proportional to 103,209.42, 154,815.96 and 36,603.12 is: 54,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,209.42 : 154,815.96 = 36,603.12 : x
  2. Step 2: Convert to fraction form
    103,209.42/154,815.96 = 36,603.12/x
  3. Step 3: Cross multiply
    103,209.42x = 154,815.96 × 36,603.12
  4. Step 4: Simplify right side
    103,209.42x = 5,666,747,161.80
  5. Step 5: Solve for x
    x = 5,666,747,161.80/103,209.42
  6. Step 6: Final answer
    x = 54,905.33

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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.