Home / 143,335.20-214,947.48-47,249.34

Finding the Fourth Proportional to 143,335.20, 214,947.48 and 47,249.34

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Solution

The fourth proportional to 143,335.20, 214,947.48 and 47,249.34 is: 70,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,335.20 : 214,947.48 = 47,249.34 : x
  2. Step 2: Convert to fraction form
    143,335.20/214,947.48 = 47,249.34/x
  3. Step 3: Cross multiply
    143,335.20x = 214,947.48 × 47,249.34
  4. Step 4: Simplify right side
    143,335.20x = 10,156,126,564.66
  5. Step 5: Solve for x
    x = 10,156,126,564.66/143,335.20
  6. Step 6: Final answer
    x = 70,855.77

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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.