Home / 112,584.54-155,354.79-70,147.74

Finding the Fourth Proportional to 112,584.54, 155,354.79 and 70,147.74

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Solution

The fourth proportional to 112,584.54, 155,354.79 and 70,147.74 is: 96,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,584.54 : 155,354.79 = 70,147.74 : x
  2. Step 2: Convert to fraction form
    112,584.54/155,354.79 = 70,147.74/x
  3. Step 3: Cross multiply
    112,584.54x = 155,354.79 × 70,147.74
  4. Step 4: Simplify right side
    112,584.54x = 10,897,787,416.67
  5. Step 5: Solve for x
    x = 10,897,787,416.67/112,584.54
  6. Step 6: Final answer
    x = 96,796.48

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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.