Home / 188,306.64-259,860.76-103,418.24

Finding the Fourth Proportional to 188,306.64, 259,860.76 and 103,418.24

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Solution

The fourth proportional to 188,306.64, 259,860.76 and 103,418.24 is: 142,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,306.64 : 259,860.76 = 103,418.24 : x
  2. Step 2: Convert to fraction form
    188,306.64/259,860.76 = 103,418.24/x
  3. Step 3: Cross multiply
    188,306.64x = 259,860.76 × 103,418.24
  4. Step 4: Simplify right side
    188,306.64x = 26,874,340,886.41
  5. Step 5: Solve for x
    x = 26,874,340,886.41/188,306.64
  6. Step 6: Final answer
    x = 142,715.84

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1.5x scale

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.