Home / 121,294.32-181,976.67-50,203.86

Finding the Fourth Proportional to 121,294.32, 181,976.67 and 50,203.86

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Solution

The fourth proportional to 121,294.32, 181,976.67 and 50,203.86 is: 75,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.32 : 181,976.67 = 50,203.86 : x
  2. Step 2: Convert to fraction form
    121,294.32/181,976.67 = 50,203.86/x
  3. Step 3: Cross multiply
    121,294.32x = 181,976.67 × 50,203.86
  4. Step 4: Simplify right side
    121,294.32x = 9,135,931,263.95
  5. Step 5: Solve for x
    x = 9,135,931,263.95/121,294.32
  6. Step 6: Final answer
    x = 75,320.36

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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.