Home / 121,465.80-182,198.70-105,227.33

Finding the Fourth Proportional to 121,465.80, 182,198.70 and 105,227.33

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Solution

The fourth proportional to 121,465.80, 182,198.70 and 105,227.33 is: 157,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.80 : 182,198.70 = 105,227.33 : x
  2. Step 2: Convert to fraction form
    121,465.80/182,198.70 = 105,227.33/x
  3. Step 3: Cross multiply
    121,465.80x = 182,198.70 × 105,227.33
  4. Step 4: Simplify right side
    121,465.80x = 19,172,281,819.48
  5. Step 5: Solve for x
    x = 19,172,281,819.48/121,465.80
  6. Step 6: Final answer
    x = 157,840.99

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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.