Home / 78,251.41-117,176.77-43,152.13

Finding the Fourth Proportional to 78,251.41, 117,176.77 and 43,152.13

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Solution

The fourth proportional to 78,251.41, 117,176.77 and 43,152.13 is: 64,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,251.41 : 117,176.77 = 43,152.13 : x
  2. Step 2: Convert to fraction form
    78,251.41/117,176.77 = 43,152.13/x
  3. Step 3: Cross multiply
    78,251.41x = 117,176.77 × 43,152.13
  4. Step 4: Simplify right side
    78,251.41x = 5,056,427,212.02
  5. Step 5: Solve for x
    x = 5,056,427,212.02/78,251.41
  6. Step 6: Final answer
    x = 64,617.71

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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.