Home / 112,147.82-154,763.95-61,846.82

Finding the Fourth Proportional to 112,147.82, 154,763.95 and 61,846.82

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Solution

The fourth proportional to 112,147.82, 154,763.95 and 61,846.82 is: 85,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,147.82 : 154,763.95 = 61,846.82 : x
  2. Step 2: Convert to fraction form
    112,147.82/154,763.95 = 61,846.82/x
  3. Step 3: Cross multiply
    112,147.82x = 154,763.95 × 61,846.82
  4. Step 4: Simplify right side
    112,147.82x = 9,571,658,158.14
  5. Step 5: Solve for x
    x = 9,571,658,158.14/112,147.82
  6. Step 6: Final answer
    x = 85,348.59

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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.