Home / 124,498.49-186,794.91-74,614.38

Finding the Fourth Proportional to 124,498.49, 186,794.91 and 74,614.38

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Solution

The fourth proportional to 124,498.49, 186,794.91 and 74,614.38 is: 111,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,498.49 : 186,794.91 = 74,614.38 : x
  2. Step 2: Convert to fraction form
    124,498.49/186,794.91 = 74,614.38/x
  3. Step 3: Cross multiply
    124,498.49x = 186,794.91 × 74,614.38
  4. Step 4: Simplify right side
    124,498.49x = 13,937,586,396.81
  5. Step 5: Solve for x
    x = 13,937,586,396.81/124,498.49
  6. Step 6: Final answer
    x = 111,949.85

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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.