Home / 121,679.73-182,516.85-55,071.63

Finding the Fourth Proportional to 121,679.73, 182,516.85 and 55,071.63

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Solution

The fourth proportional to 121,679.73, 182,516.85 and 55,071.63 is: 82,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,679.73 : 182,516.85 = 55,071.63 : x
  2. Step 2: Convert to fraction form
    121,679.73/182,516.85 = 55,071.63/x
  3. Step 3: Cross multiply
    121,679.73x = 182,516.85 × 55,071.63
  4. Step 4: Simplify right side
    121,679.73x = 10,051,500,431.97
  5. Step 5: Solve for x
    x = 10,051,500,431.97/121,679.73
  6. Step 6: Final answer
    x = 82,606.20

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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.