Home / 112,946.97-155,868.27-61,956.39

Finding the Fourth Proportional to 112,946.97, 155,868.27 and 61,956.39

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Solution

The fourth proportional to 112,946.97, 155,868.27 and 61,956.39 is: 85,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.97 : 155,868.27 = 61,956.39 : x
  2. Step 2: Convert to fraction form
    112,946.97/155,868.27 = 61,956.39/x
  3. Step 3: Cross multiply
    112,946.97x = 155,868.27 × 61,956.39
  4. Step 4: Simplify right side
    112,946.97x = 9,657,035,324.75
  5. Step 5: Solve for x
    x = 9,657,035,324.75/112,946.97
  6. Step 6: Final answer
    x = 85,500.61

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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.