Home / 74,780.44-112,171.35-22,189.93

Finding the Fourth Proportional to 74,780.44, 112,171.35 and 22,189.93

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Solution

The fourth proportional to 74,780.44, 112,171.35 and 22,189.93 is: 33,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780.44 : 112,171.35 = 22,189.93 : x
  2. Step 2: Convert to fraction form
    74,780.44/112,171.35 = 22,189.93/x
  3. Step 3: Cross multiply
    74,780.44x = 112,171.35 × 22,189.93
  4. Step 4: Simplify right side
    74,780.44x = 2,489,074,404.51
  5. Step 5: Solve for x
    x = 2,489,074,404.51/74,780.44
  6. Step 6: Final answer
    x = 33,285.10

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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.