Home / 89,222.23-123,133.17-50,980.90

Finding the Fourth Proportional to 89,222.23, 123,133.17 and 50,980.90

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Solution

The fourth proportional to 89,222.23, 123,133.17 and 50,980.90 is: 70,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,222.23 : 123,133.17 = 50,980.90 : x
  2. Step 2: Convert to fraction form
    89,222.23/123,133.17 = 50,980.90/x
  3. Step 3: Cross multiply
    89,222.23x = 123,133.17 × 50,980.90
  4. Step 4: Simplify right side
    89,222.23x = 6,277,440,190.86
  5. Step 5: Solve for x
    x = 6,277,440,190.86/89,222.23
  6. Step 6: Final answer
    x = 70,357.35

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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.