Home / 188,263.11-259,803.42-103,385.55

Finding the Fourth Proportional to 188,263.11, 259,803.42 and 103,385.55

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Solution

The fourth proportional to 188,263.11, 259,803.42 and 103,385.55 is: 142,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,263.11 : 259,803.42 = 103,385.55 : x
  2. Step 2: Convert to fraction form
    188,263.11/259,803.42 = 103,385.55/x
  3. Step 3: Cross multiply
    188,263.11x = 259,803.42 × 103,385.55
  4. Step 4: Simplify right side
    188,263.11x = 26,859,919,468.58
  5. Step 5: Solve for x
    x = 26,859,919,468.58/188,263.11
  6. Step 6: Final answer
    x = 142,672.24

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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.