Home / 91,455.84-126,213.97-51,167.21

Finding the Fourth Proportional to 91,455.84, 126,213.97 and 51,167.21

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Solution

The fourth proportional to 91,455.84, 126,213.97 and 51,167.21 is: 70,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,455.84 : 126,213.97 = 51,167.21 : x
  2. Step 2: Convert to fraction form
    91,455.84/126,213.97 = 51,167.21/x
  3. Step 3: Cross multiply
    91,455.84x = 126,213.97 × 51,167.21
  4. Step 4: Simplify right side
    91,455.84x = 6,458,015,948.94
  5. Step 5: Solve for x
    x = 6,458,015,948.94/91,455.84
  6. Step 6: Final answer
    x = 70,613.49

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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.