Home / 203,841.48-281,291.76-113,203.20

Finding the Fourth Proportional to 203,841.48, 281,291.76 and 113,203.20

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Solution

The fourth proportional to 203,841.48, 281,291.76 and 113,203.20 is: 156,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,841.48 : 281,291.76 = 113,203.20 : x
  2. Step 2: Convert to fraction form
    203,841.48/281,291.76 = 113,203.20/x
  3. Step 3: Cross multiply
    203,841.48x = 281,291.76 × 113,203.20
  4. Step 4: Simplify right side
    203,841.48x = 31,843,127,365.63
  5. Step 5: Solve for x
    x = 31,843,127,365.63/203,841.48
  6. Step 6: Final answer
    x = 156,215.15

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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.