Home / 112,946.10-169,383.78-40,889.90

Finding the Fourth Proportional to 112,946.10, 169,383.78 and 40,889.90

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Solution

The fourth proportional to 112,946.10, 169,383.78 and 40,889.90 is: 61,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.10 : 169,383.78 = 40,889.90 : x
  2. Step 2: Convert to fraction form
    112,946.10/169,383.78 = 40,889.90/x
  3. Step 3: Cross multiply
    112,946.10x = 169,383.78 × 40,889.90
  4. Step 4: Simplify right side
    112,946.10x = 6,926,085,825.82
  5. Step 5: Solve for x
    x = 6,926,085,825.82/112,946.10
  6. Step 6: Final answer
    x = 61,322.04

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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.