Home / 89,118.28-122,952.99-50,850.34

Finding the Fourth Proportional to 89,118.28, 122,952.99 and 50,850.34

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Solution

The fourth proportional to 89,118.28, 122,952.99 and 50,850.34 is: 70,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,118.28 : 122,952.99 = 50,850.34 : x
  2. Step 2: Convert to fraction form
    89,118.28/122,952.99 = 50,850.34/x
  3. Step 3: Cross multiply
    89,118.28x = 122,952.99 × 50,850.34
  4. Step 4: Simplify right side
    89,118.28x = 6,252,201,345.52
  5. Step 5: Solve for x
    x = 6,252,201,345.52/89,118.28
  6. Step 6: Final answer
    x = 70,156.22

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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.