Home / 74,000.26-102,114.54-42,162.94

Finding the Fourth Proportional to 74,000.26, 102,114.54 and 42,162.94

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Solution

The fourth proportional to 74,000.26, 102,114.54 and 42,162.94 is: 58,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.26 : 102,114.54 = 42,162.94 : x
  2. Step 2: Convert to fraction form
    74,000.26/102,114.54 = 42,162.94/x
  3. Step 3: Cross multiply
    74,000.26x = 102,114.54 × 42,162.94
  4. Step 4: Simplify right side
    74,000.26x = 4,305,449,223.15
  5. Step 5: Solve for x
    x = 4,305,449,223.15/74,000.26
  6. Step 6: Final answer
    x = 58,181.54

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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.