Home / 144,763.40-217,138.44-39,582.12

Finding the Fourth Proportional to 144,763.40, 217,138.44 and 39,582.12

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Solution

The fourth proportional to 144,763.40, 217,138.44 and 39,582.12 is: 59,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,763.40 : 217,138.44 = 39,582.12 : x
  2. Step 2: Convert to fraction form
    144,763.40/217,138.44 = 39,582.12/x
  3. Step 3: Cross multiply
    144,763.40x = 217,138.44 × 39,582.12
  4. Step 4: Simplify right side
    144,763.40x = 8,594,799,788.69
  5. Step 5: Solve for x
    x = 8,594,799,788.69/144,763.40
  6. Step 6: Final answer
    x = 59,371.36

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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.