Home / 112,150.68-154,766-61,163.82

Finding the Fourth Proportional to 112,150.68, 154,766 and 61,163.82

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Solution

The fourth proportional to 112,150.68, 154,766 and 61,163.82 is: 84,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.68 : 154,766 = 61,163.82 : x
  2. Step 2: Convert to fraction form
    112,150.68/154,766 = 61,163.82/x
  3. Step 3: Cross multiply
    112,150.68x = 154,766 × 61,163.82
  4. Step 4: Simplify right side
    112,150.68x = 9,466,079,766.12
  5. Step 5: Solve for x
    x = 9,466,079,766.12/112,150.68
  6. Step 6: Final answer
    x = 84,405.01

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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.