Home / 103,308.75-154,989.14-29,436.75

Finding the Fourth Proportional to 103,308.75, 154,989.14 and 29,436.75

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Solution

The fourth proportional to 103,308.75, 154,989.14 and 29,436.75 is: 44,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,308.75 : 154,989.14 = 29,436.75 : x
  2. Step 2: Convert to fraction form
    103,308.75/154,989.14 = 29,436.75/x
  3. Step 3: Cross multiply
    103,308.75x = 154,989.14 × 29,436.75
  4. Step 4: Simplify right side
    103,308.75x = 4,562,376,419.71
  5. Step 5: Solve for x
    x = 4,562,376,419.71/103,308.75
  6. Step 6: Final answer
    x = 44,162.54

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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.