Home / 112,841.72-169,208.78-41,761.16

Finding the Fourth Proportional to 112,841.72, 169,208.78 and 41,761.16

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Solution

The fourth proportional to 112,841.72, 169,208.78 and 41,761.16 is: 62,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,841.72 : 169,208.78 = 41,761.16 : x
  2. Step 2: Convert to fraction form
    112,841.72/169,208.78 = 41,761.16/x
  3. Step 3: Cross multiply
    112,841.72x = 169,208.78 × 41,761.16
  4. Step 4: Simplify right side
    112,841.72x = 7,066,353,880.14
  5. Step 5: Solve for x
    x = 7,066,353,880.14/112,841.72
  6. Step 6: Final answer
    x = 62,621.82

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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.