Home / 117,926.89-162,741.05-64,212.95

Finding the Fourth Proportional to 117,926.89, 162,741.05 and 64,212.95

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Solution

The fourth proportional to 117,926.89, 162,741.05 and 64,212.95 is: 88,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,926.89 : 162,741.05 = 64,212.95 : x
  2. Step 2: Convert to fraction form
    117,926.89/162,741.05 = 64,212.95/x
  3. Step 3: Cross multiply
    117,926.89x = 162,741.05 × 64,212.95
  4. Step 4: Simplify right side
    117,926.89x = 10,450,083,233.18
  5. Step 5: Solve for x
    x = 10,450,083,233.18/117,926.89
  6. Step 6: Final answer
    x = 88,614.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.