Home / 90,722.43-125,196.84-50,434.92

Finding the Fourth Proportional to 90,722.43, 125,196.84 and 50,434.92

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Solution

The fourth proportional to 90,722.43, 125,196.84 and 50,434.92 is: 69,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.43 : 125,196.84 = 50,434.92 : x
  2. Step 2: Convert to fraction form
    90,722.43/125,196.84 = 50,434.92/x
  3. Step 3: Cross multiply
    90,722.43x = 125,196.84 × 50,434.92
  4. Step 4: Simplify right side
    90,722.43x = 6,314,292,609.65
  5. Step 5: Solve for x
    x = 6,314,292,609.65/90,722.43
  6. Step 6: Final answer
    x = 69,600.13

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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.