Home / 74,735.61-112,103.82-22,145.55

Finding the Fourth Proportional to 74,735.61, 112,103.82 and 22,145.55

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Solution

The fourth proportional to 74,735.61, 112,103.82 and 22,145.55 is: 33,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735.61 : 112,103.82 = 22,145.55 : x
  2. Step 2: Convert to fraction form
    74,735.61/112,103.82 = 22,145.55/x
  3. Step 3: Cross multiply
    74,735.61x = 112,103.82 × 22,145.55
  4. Step 4: Simplify right side
    74,735.61x = 2,482,600,751.00
  5. Step 5: Solve for x
    x = 2,482,600,751.00/74,735.61
  6. Step 6: Final answer
    x = 33,218.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.