Home / 121,379.82-182,069.72-38,273.82

Finding the Fourth Proportional to 121,379.82, 182,069.72 and 38,273.82

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Solution

The fourth proportional to 121,379.82, 182,069.72 and 38,273.82 is: 57,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379.82 : 182,069.72 = 38,273.82 : x
  2. Step 2: Convert to fraction form
    121,379.82/182,069.72 = 38,273.82/x
  3. Step 3: Cross multiply
    121,379.82x = 182,069.72 × 38,273.82
  4. Step 4: Simplify right side
    121,379.82x = 6,968,502,780.38
  5. Step 5: Solve for x
    x = 6,968,502,780.38/121,379.82
  6. Step 6: Final answer
    x = 57,410.72

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1.5x scale

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.