Home / 112,914-155,819.52-61,927.92

Finding the Fourth Proportional to 112,914, 155,819.52 and 61,927.92

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Solution

The fourth proportional to 112,914, 155,819.52 and 61,927.92 is: 85,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914 : 155,819.52 = 61,927.92 : x
  2. Step 2: Convert to fraction form
    112,914/155,819.52 = 61,927.92/x
  3. Step 3: Cross multiply
    112,914x = 155,819.52 × 61,927.92
  4. Step 4: Simplify right side
    112,914x = 9,649,578,769.00
  5. Step 5: Solve for x
    x = 9,649,578,769.00/112,914
  6. Step 6: Final answer
    x = 85,459.54

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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.