Home / 188,499.08-260,132.28-103,616.12

Finding the Fourth Proportional to 188,499.08, 260,132.28 and 103,616.12

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Solution

The fourth proportional to 188,499.08, 260,132.28 and 103,616.12 is: 142,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,499.08 : 260,132.28 = 103,616.12 : x
  2. Step 2: Convert to fraction form
    188,499.08/260,132.28 = 103,616.12/x
  3. Step 3: Cross multiply
    188,499.08x = 260,132.28 × 103,616.12
  4. Step 4: Simplify right side
    188,499.08x = 26,953,897,540.35
  5. Step 5: Solve for x
    x = 26,953,897,540.35/188,499.08
  6. Step 6: Final answer
    x = 142,992.20

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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.