Home / 124,318.11-186,450.30-35,547.78

Finding the Fourth Proportional to 124,318.11, 186,450.30 and 35,547.78

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Solution

The fourth proportional to 124,318.11, 186,450.30 and 35,547.78 is: 53,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.11 : 186,450.30 = 35,547.78 : x
  2. Step 2: Convert to fraction form
    124,318.11/186,450.30 = 35,547.78/x
  3. Step 3: Cross multiply
    124,318.11x = 186,450.30 × 35,547.78
  4. Step 4: Simplify right side
    124,318.11x = 6,627,894,245.33
  5. Step 5: Solve for x
    x = 6,627,894,245.33/124,318.11
  6. Step 6: Final answer
    x = 53,313.99

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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.