Home / 74,768.38-112,158.66-22,177.72

Finding the Fourth Proportional to 74,768.38, 112,158.66 and 22,177.72

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Solution

The fourth proportional to 74,768.38, 112,158.66 and 22,177.72 is: 33,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.38 : 112,158.66 = 22,177.72 : x
  2. Step 2: Convert to fraction form
    74,768.38/112,158.66 = 22,177.72/x
  3. Step 3: Cross multiply
    74,768.38x = 112,158.66 × 22,177.72
  4. Step 4: Simplify right side
    74,768.38x = 2,487,423,357.06
  5. Step 5: Solve for x
    x = 2,487,423,357.06/74,768.38
  6. Step 6: Final answer
    x = 33,268.39

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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.