Home / 88,438.30-122,038.70-50,198.64

Finding the Fourth Proportional to 88,438.30, 122,038.70 and 50,198.64

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Solution

The fourth proportional to 88,438.30, 122,038.70 and 50,198.64 is: 69,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,438.30 : 122,038.70 = 50,198.64 : x
  2. Step 2: Convert to fraction form
    88,438.30/122,038.70 = 50,198.64/x
  3. Step 3: Cross multiply
    88,438.30x = 122,038.70 × 50,198.64
  4. Step 4: Simplify right side
    88,438.30x = 6,126,176,767.37
  5. Step 5: Solve for x
    x = 6,126,176,767.37/88,438.30
  6. Step 6: Final answer
    x = 69,270.63

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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.