Home / 91,393.43-126,122.06-51,106.73

Finding the Fourth Proportional to 91,393.43, 126,122.06 and 51,106.73

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Solution

The fourth proportional to 91,393.43, 126,122.06 and 51,106.73 is: 70,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,393.43 : 126,122.06 = 51,106.73 : x
  2. Step 2: Convert to fraction form
    91,393.43/126,122.06 = 51,106.73/x
  3. Step 3: Cross multiply
    91,393.43x = 126,122.06 × 51,106.73
  4. Step 4: Simplify right side
    91,393.43x = 6,445,685,564.62
  5. Step 5: Solve for x
    x = 6,445,685,564.62/91,393.43
  6. Step 6: Final answer
    x = 70,526.80

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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.