Home / 144,892.20-217,385.64-70,020.96

Finding the Fourth Proportional to 144,892.20, 217,385.64 and 70,020.96

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Solution

The fourth proportional to 144,892.20, 217,385.64 and 70,020.96 is: 105,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,892.20 : 217,385.64 = 70,020.96 : x
  2. Step 2: Convert to fraction form
    144,892.20/217,385.64 = 70,020.96/x
  3. Step 3: Cross multiply
    144,892.20x = 217,385.64 × 70,020.96
  4. Step 4: Simplify right side
    144,892.20x = 15,221,551,203.01
  5. Step 5: Solve for x
    x = 15,221,551,203.01/144,892.20
  6. Step 6: Final answer
    x = 105,054.32

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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.