Home / 74,068.94-102,221.52-42,239.18

Finding the Fourth Proportional to 74,068.94, 102,221.52 and 42,239.18

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Solution

The fourth proportional to 74,068.94, 102,221.52 and 42,239.18 is: 58,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068.94 : 102,221.52 = 42,239.18 : x
  2. Step 2: Convert to fraction form
    74,068.94/102,221.52 = 42,239.18/x
  3. Step 3: Cross multiply
    74,068.94x = 102,221.52 × 42,239.18
  4. Step 4: Simplify right side
    74,068.94x = 4,317,753,183.15
  5. Step 5: Solve for x
    x = 4,317,753,183.15/74,068.94
  6. Step 6: Final answer
    x = 58,293.71

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1.5x scale

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.