Home / 123,931.57-171,025.12-70,226.85

Finding the Fourth Proportional to 123,931.57, 171,025.12 and 70,226.85

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Solution

The fourth proportional to 123,931.57, 171,025.12 and 70,226.85 is: 96,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.57 : 171,025.12 = 70,226.85 : x
  2. Step 2: Convert to fraction form
    123,931.57/171,025.12 = 70,226.85/x
  3. Step 3: Cross multiply
    123,931.57x = 171,025.12 × 70,226.85
  4. Step 4: Simplify right side
    123,931.57x = 12,010,555,215.58
  5. Step 5: Solve for x
    x = 12,010,555,215.58/123,931.57
  6. Step 6: Final answer
    x = 96,912.80

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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.