Home / 188,325.27-259,901.60-103,443.21

Finding the Fourth Proportional to 188,325.27, 259,901.60 and 103,443.21

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Solution

The fourth proportional to 188,325.27, 259,901.60 and 103,443.21 is: 142,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,325.27 : 259,901.60 = 103,443.21 : x
  2. Step 2: Convert to fraction form
    188,325.27/259,901.60 = 103,443.21/x
  3. Step 3: Cross multiply
    188,325.27x = 259,901.60 × 103,443.21
  4. Step 4: Simplify right side
    188,325.27x = 26,885,055,270.92
  5. Step 5: Solve for x
    x = 26,885,055,270.92/188,325.27
  6. Step 6: Final answer
    x = 142,758.62

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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.