Home / 91,419.24-126,170.24-51,135.24

Finding the Fourth Proportional to 91,419.24, 126,170.24 and 51,135.24

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Solution

The fourth proportional to 91,419.24, 126,170.24 and 51,135.24 is: 70,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,419.24 : 126,170.24 = 51,135.24 : x
  2. Step 2: Convert to fraction form
    91,419.24/126,170.24 = 51,135.24/x
  3. Step 3: Cross multiply
    91,419.24x = 126,170.24 × 51,135.24
  4. Step 4: Simplify right side
    91,419.24x = 6,451,745,247.58
  5. Step 5: Solve for x
    x = 6,451,745,247.58/91,419.24
  6. Step 6: Final answer
    x = 70,573.17

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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.