Home / 144,293.45-216,440.18-39,112.42

Finding the Fourth Proportional to 144,293.45, 216,440.18 and 39,112.42

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Solution

The fourth proportional to 144,293.45, 216,440.18 and 39,112.42 is: 58,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,293.45 : 216,440.18 = 39,112.42 : x
  2. Step 2: Convert to fraction form
    144,293.45/216,440.18 = 39,112.42/x
  3. Step 3: Cross multiply
    144,293.45x = 216,440.18 × 39,112.42
  4. Step 4: Simplify right side
    144,293.45x = 8,465,498,930.87
  5. Step 5: Solve for x
    x = 8,465,498,930.87/144,293.45
  6. Step 6: Final answer
    x = 58,668.63

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1.5x scale

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.