Home / 155,512.42-214,410.96-101,712.22

Finding the Fourth Proportional to 155,512.42, 214,410.96 and 101,712.22

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Solution

The fourth proportional to 155,512.42, 214,410.96 and 101,712.22 is: 140,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.42 : 214,410.96 = 101,712.22 : x
  2. Step 2: Convert to fraction form
    155,512.42/214,410.96 = 101,712.22/x
  3. Step 3: Cross multiply
    155,512.42x = 214,410.96 × 101,712.22
  4. Step 4: Simplify right side
    155,512.42x = 21,808,214,733.93
  5. Step 5: Solve for x
    x = 21,808,214,733.93/155,512.42
  6. Step 6: Final answer
    x = 140,234.55

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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.