Home / 121,016.78-181,525.10-36,776.73

Finding the Fourth Proportional to 121,016.78, 181,525.10 and 36,776.73

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Solution

The fourth proportional to 121,016.78, 181,525.10 and 36,776.73 is: 55,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,016.78 : 181,525.10 = 36,776.73 : x
  2. Step 2: Convert to fraction form
    121,016.78/181,525.10 = 36,776.73/x
  3. Step 3: Cross multiply
    121,016.78x = 181,525.10 × 36,776.73
  4. Step 4: Simplify right side
    121,016.78x = 6,675,900,294.63
  5. Step 5: Solve for x
    x = 6,675,900,294.63/121,016.78
  6. Step 6: Final answer
    x = 55,165.08

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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.