Home / 188,312.14-259,868.32-103,423.74

Finding the Fourth Proportional to 188,312.14, 259,868.32 and 103,423.74

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Solution

The fourth proportional to 188,312.14, 259,868.32 and 103,423.74 is: 142,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,312.14 : 259,868.32 = 103,423.74 : x
  2. Step 2: Convert to fraction form
    188,312.14/259,868.32 = 103,423.74/x
  3. Step 3: Cross multiply
    188,312.14x = 259,868.32 × 103,423.74
  4. Step 4: Simplify right side
    188,312.14x = 26,876,553,561.92
  5. Step 5: Solve for x
    x = 26,876,553,561.92/188,312.14
  6. Step 6: Final answer
    x = 142,723.42

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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.