Home / 90,861.54-136,320.22-46,519.42

Finding the Fourth Proportional to 90,861.54, 136,320.22 and 46,519.42

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Solution

The fourth proportional to 90,861.54, 136,320.22 and 46,519.42 is: 69,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,861.54 : 136,320.22 = 46,519.42 : x
  2. Step 2: Convert to fraction form
    90,861.54/136,320.22 = 46,519.42/x
  3. Step 3: Cross multiply
    90,861.54x = 136,320.22 × 46,519.42
  4. Step 4: Simplify right side
    90,861.54x = 6,341,537,568.67
  5. Step 5: Solve for x
    x = 6,341,537,568.67/90,861.54
  6. Step 6: Final answer
    x = 69,793.42

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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.