Home / 126,518.22-189,715.32-42,249.42

Finding the Fourth Proportional to 126,518.22, 189,715.32 and 42,249.42

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Solution

The fourth proportional to 126,518.22, 189,715.32 and 42,249.42 is: 63,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,518.22 : 189,715.32 = 42,249.42 : x
  2. Step 2: Convert to fraction form
    126,518.22/189,715.32 = 42,249.42/x
  3. Step 3: Cross multiply
    126,518.22x = 189,715.32 × 42,249.42
  4. Step 4: Simplify right side
    126,518.22x = 8,015,362,235.11
  5. Step 5: Solve for x
    x = 8,015,362,235.11/126,518.22
  6. Step 6: Final answer
    x = 63,353.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.