Home / 112,615.92-168,961.14-37,771.38

Finding the Fourth Proportional to 112,615.92, 168,961.14 and 37,771.38

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Solution

The fourth proportional to 112,615.92, 168,961.14 and 37,771.38 is: 56,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,615.92 : 168,961.14 = 37,771.38 : x
  2. Step 2: Convert to fraction form
    112,615.92/168,961.14 = 37,771.38/x
  3. Step 3: Cross multiply
    112,615.92x = 168,961.14 × 37,771.38
  4. Step 4: Simplify right side
    112,615.92x = 6,381,895,424.17
  5. Step 5: Solve for x
    x = 6,381,895,424.17/112,615.92
  6. Step 6: Final answer
    x = 56,669.57

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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.