Home / 144,914.20-217,112.10-89,445.40

Finding the Fourth Proportional to 144,914.20, 217,112.10 and 89,445.40

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Solution

The fourth proportional to 144,914.20, 217,112.10 and 89,445.40 is: 134,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,914.20 : 217,112.10 = 89,445.40 : x
  2. Step 2: Convert to fraction form
    144,914.20/217,112.10 = 89,445.40/x
  3. Step 3: Cross multiply
    144,914.20x = 217,112.10 × 89,445.40
  4. Step 4: Simplify right side
    144,914.20x = 19,419,678,629.34
  5. Step 5: Solve for x
    x = 19,419,678,629.34/144,914.20
  6. Step 6: Final answer
    x = 134,008.11

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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.