Home / 92,911.43-139,367.15-40,319.75

Finding the Fourth Proportional to 92,911.43, 139,367.15 and 40,319.75

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Solution

The fourth proportional to 92,911.43, 139,367.15 and 40,319.75 is: 60,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,911.43 : 139,367.15 = 40,319.75 : x
  2. Step 2: Convert to fraction form
    92,911.43/139,367.15 = 40,319.75/x
  3. Step 3: Cross multiply
    92,911.43x = 139,367.15 × 40,319.75
  4. Step 4: Simplify right side
    92,911.43x = 5,619,248,646.21
  5. Step 5: Solve for x
    x = 5,619,248,646.21/92,911.43
  6. Step 6: Final answer
    x = 60,479.63

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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.