Home / 88,370.46-121,951.08-50,137.52

Finding the Fourth Proportional to 88,370.46, 121,951.08 and 50,137.52

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Solution

The fourth proportional to 88,370.46, 121,951.08 and 50,137.52 is: 69,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,370.46 : 121,951.08 = 50,137.52 : x
  2. Step 2: Convert to fraction form
    88,370.46/121,951.08 = 50,137.52/x
  3. Step 3: Cross multiply
    88,370.46x = 121,951.08 × 50,137.52
  4. Step 4: Simplify right side
    88,370.46x = 6,114,324,102.77
  5. Step 5: Solve for x
    x = 6,114,324,102.77/88,370.46
  6. Step 6: Final answer
    x = 69,189.68

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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.