Home / 142,766.16-214,152.68-47,997.57

Finding the Fourth Proportional to 142,766.16, 214,152.68 and 47,997.57

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Solution

The fourth proportional to 142,766.16, 214,152.68 and 47,997.57 is: 71,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,766.16 : 214,152.68 = 47,997.57 : x
  2. Step 2: Convert to fraction form
    142,766.16/214,152.68 = 47,997.57/x
  3. Step 3: Cross multiply
    142,766.16x = 214,152.68 × 47,997.57
  4. Step 4: Simplify right side
    142,766.16x = 10,278,809,172.05
  5. Step 5: Solve for x
    x = 10,278,809,172.05/142,766.16
  6. Step 6: Final answer
    x = 71,997.52

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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.