Home / 89,138.14-123,014.02-50,903.92

Finding the Fourth Proportional to 89,138.14, 123,014.02 and 50,903.92

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Solution

The fourth proportional to 89,138.14, 123,014.02 and 50,903.92 is: 70,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,138.14 : 123,014.02 = 50,903.92 : x
  2. Step 2: Convert to fraction form
    89,138.14/123,014.02 = 50,903.92/x
  3. Step 3: Cross multiply
    89,138.14x = 123,014.02 × 50,903.92
  4. Step 4: Simplify right side
    89,138.14x = 6,261,895,832.96
  5. Step 5: Solve for x
    x = 6,261,895,832.96/89,138.14
  6. Step 6: Final answer
    x = 70,249.34

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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.