Home / 91,494.09-126,262.53-51,211.58

Finding the Fourth Proportional to 91,494.09, 126,262.53 and 51,211.58

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Solution

The fourth proportional to 91,494.09, 126,262.53 and 51,211.58 is: 70,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494.09 : 126,262.53 = 51,211.58 : x
  2. Step 2: Convert to fraction form
    91,494.09/126,262.53 = 51,211.58/x
  3. Step 3: Cross multiply
    91,494.09x = 126,262.53 × 51,211.58
  4. Step 4: Simplify right side
    91,494.09x = 6,466,103,024.78
  5. Step 5: Solve for x
    x = 6,466,103,024.78/91,494.09
  6. Step 6: Final answer
    x = 70,672.36

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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.