Home / 154,141.48-231,252.54-65,398.60

Finding the Fourth Proportional to 154,141.48, 231,252.54 and 65,398.60

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Solution

The fourth proportional to 154,141.48, 231,252.54 and 65,398.60 is: 98,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,141.48 : 231,252.54 = 65,398.60 : x
  2. Step 2: Convert to fraction form
    154,141.48/231,252.54 = 65,398.60/x
  3. Step 3: Cross multiply
    154,141.48x = 231,252.54 × 65,398.60
  4. Step 4: Simplify right side
    154,141.48x = 15,123,592,362.44
  5. Step 5: Solve for x
    x = 15,123,592,362.44/154,141.48
  6. Step 6: Final answer
    x = 98,115.01

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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.