Home / 203,891.18-281,400.48-146,719.76

Finding the Fourth Proportional to 203,891.18, 281,400.48 and 146,719.76

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Solution

The fourth proportional to 203,891.18, 281,400.48 and 146,719.76 is: 202,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,891.18 : 281,400.48 = 146,719.76 : x
  2. Step 2: Convert to fraction form
    203,891.18/281,400.48 = 146,719.76/x
  3. Step 3: Cross multiply
    203,891.18x = 281,400.48 × 146,719.76
  4. Step 4: Simplify right side
    203,891.18x = 41,287,009,482.48
  5. Step 5: Solve for x
    x = 41,287,009,482.48/203,891.18
  6. Step 6: Final answer
    x = 202,495.32

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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.