Home / 144,689.36-217,086.22-77,150.34

Finding the Fourth Proportional to 144,689.36, 217,086.22 and 77,150.34

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Solution

The fourth proportional to 144,689.36, 217,086.22 and 77,150.34 is: 115,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,689.36 : 217,086.22 = 77,150.34 : x
  2. Step 2: Convert to fraction form
    144,689.36/217,086.22 = 77,150.34/x
  3. Step 3: Cross multiply
    144,689.36x = 217,086.22 × 77,150.34
  4. Step 4: Simplify right side
    144,689.36x = 16,748,275,682.31
  5. Step 5: Solve for x
    x = 16,748,275,682.31/144,689.36
  6. Step 6: Final answer
    x = 115,753.33

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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.