Home / 92,940.26-139,332.06-40,310.12

Finding the Fourth Proportional to 92,940.26, 139,332.06 and 40,310.12

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Solution

The fourth proportional to 92,940.26, 139,332.06 and 40,310.12 is: 60,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.26 : 139,332.06 = 40,310.12 : x
  2. Step 2: Convert to fraction form
    92,940.26/139,332.06 = 40,310.12/x
  3. Step 3: Cross multiply
    92,940.26x = 139,332.06 × 40,310.12
  4. Step 4: Simplify right side
    92,940.26x = 5,616,492,058.45
  5. Step 5: Solve for x
    x = 5,616,492,058.45/92,940.26
  6. Step 6: Final answer
    x = 60,431.21

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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.