Home / 112,747.27-155,584.58-61,749.84

Finding the Fourth Proportional to 112,747.27, 155,584.58 and 61,749.84

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Solution

The fourth proportional to 112,747.27, 155,584.58 and 61,749.84 is: 85,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.27 : 155,584.58 = 61,749.84 : x
  2. Step 2: Convert to fraction form
    112,747.27/155,584.58 = 61,749.84/x
  3. Step 3: Cross multiply
    112,747.27x = 155,584.58 × 61,749.84
  4. Step 4: Simplify right side
    112,747.27x = 9,607,323,804.01
  5. Step 5: Solve for x
    x = 9,607,323,804.01/112,747.27
  6. Step 6: Final answer
    x = 85,211.15

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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.