Home / 112,255.80-154,915.26-61,954.68

Finding the Fourth Proportional to 112,255.80, 154,915.26 and 61,954.68

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Solution

The fourth proportional to 112,255.80, 154,915.26 and 61,954.68 is: 85,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.80 : 154,915.26 = 61,954.68 : x
  2. Step 2: Convert to fraction form
    112,255.80/154,915.26 = 61,954.68/x
  3. Step 3: Cross multiply
    112,255.80x = 154,915.26 × 61,954.68
  4. Step 4: Simplify right side
    112,255.80x = 9,597,725,360.42
  5. Step 5: Solve for x
    x = 9,597,725,360.42/112,255.80
  6. Step 6: Final answer
    x = 85,498.70

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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.