Home / 147,832.80-221,765.40-143,167.20

Finding the Fourth Proportional to 147,832.80, 221,765.40 and 143,167.20

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Solution

The fourth proportional to 147,832.80, 221,765.40 and 143,167.20 is: 214,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.80 : 221,765.40 = 143,167.20 : x
  2. Step 2: Convert to fraction form
    147,832.80/221,765.40 = 143,167.20/x
  3. Step 3: Cross multiply
    147,832.80x = 221,765.40 × 143,167.20
  4. Step 4: Simplify right side
    147,832.80x = 31,749,531,374.88
  5. Step 5: Solve for x
    x = 31,749,531,374.88/147,832.80
  6. Step 6: Final answer
    x = 214,766.49

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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.