Home / 112,716.76-155,548-61,033.60

Finding the Fourth Proportional to 112,716.76, 155,548 and 61,033.60

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Solution

The fourth proportional to 112,716.76, 155,548 and 61,033.60 is: 84,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.76 : 155,548 = 61,033.60 : x
  2. Step 2: Convert to fraction form
    112,716.76/155,548 = 61,033.60/x
  3. Step 3: Cross multiply
    112,716.76x = 155,548 × 61,033.60
  4. Step 4: Simplify right side
    112,716.76x = 9,493,654,412.80
  5. Step 5: Solve for x
    x = 9,493,654,412.80/112,716.76
  6. Step 6: Final answer
    x = 84,225.76

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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.