Home / 89,114.50-122,992.60-50,875.64

Finding the Fourth Proportional to 89,114.50, 122,992.60 and 50,875.64

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Solution

The fourth proportional to 89,114.50, 122,992.60 and 50,875.64 is: 70,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.50 : 122,992.60 = 50,875.64 : x
  2. Step 2: Convert to fraction form
    89,114.50/122,992.60 = 50,875.64/x
  3. Step 3: Cross multiply
    89,114.50x = 122,992.60 × 50,875.64
  4. Step 4: Simplify right side
    89,114.50x = 6,257,326,498.11
  5. Step 5: Solve for x
    x = 6,257,326,498.11/89,114.50
  6. Step 6: Final answer
    x = 70,216.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.