Home / 149,252.48-206,143.40-98,864

Finding the Fourth Proportional to 149,252.48, 206,143.40 and 98,864

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Solution

The fourth proportional to 149,252.48, 206,143.40 and 98,864 is: 136,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,252.48 : 206,143.40 = 98,864 : x
  2. Step 2: Convert to fraction form
    149,252.48/206,143.40 = 98,864/x
  3. Step 3: Cross multiply
    149,252.48x = 206,143.40 × 98,864
  4. Step 4: Simplify right side
    149,252.48x = 20,380,161,097.60
  5. Step 5: Solve for x
    x = 20,380,161,097.60/149,252.48
  6. Step 6: Final answer
    x = 136,548.22

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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.