Home / 121,182.48-181,104.84-89,659.44

Finding the Fourth Proportional to 121,182.48, 181,104.84 and 89,659.44

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Solution

The fourth proportional to 121,182.48, 181,104.84 and 89,659.44 is: 133,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.48 : 181,104.84 = 89,659.44 : x
  2. Step 2: Convert to fraction form
    121,182.48/181,104.84 = 89,659.44/x
  3. Step 3: Cross multiply
    121,182.48x = 181,104.84 × 89,659.44
  4. Step 4: Simplify right side
    121,182.48x = 16,237,758,535.69
  5. Step 5: Solve for x
    x = 16,237,758,535.69/121,182.48
  6. Step 6: Final answer
    x = 133,994.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.