Home / 103,376.13-142,674.49-63,113.23

Finding the Fourth Proportional to 103,376.13, 142,674.49 and 63,113.23

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Solution

The fourth proportional to 103,376.13, 142,674.49 and 63,113.23 is: 87,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,376.13 : 142,674.49 = 63,113.23 : x
  2. Step 2: Convert to fraction form
    103,376.13/142,674.49 = 63,113.23/x
  3. Step 3: Cross multiply
    103,376.13x = 142,674.49 × 63,113.23
  4. Step 4: Simplify right side
    103,376.13x = 9,004,647,902.50
  5. Step 5: Solve for x
    x = 9,004,647,902.50/103,376.13
  6. Step 6: Final answer
    x = 87,105.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.