Home / 91,845.56-126,738.20-51,551.45

Finding the Fourth Proportional to 91,845.56, 126,738.20 and 51,551.45

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Solution

The fourth proportional to 91,845.56, 126,738.20 and 51,551.45 is: 71,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,845.56 : 126,738.20 = 51,551.45 : x
  2. Step 2: Convert to fraction form
    91,845.56/126,738.20 = 51,551.45/x
  3. Step 3: Cross multiply
    91,845.56x = 126,738.20 × 51,551.45
  4. Step 4: Simplify right side
    91,845.56x = 6,533,538,426.11
  5. Step 5: Solve for x
    x = 6,533,538,426.11/91,845.56
  6. Step 6: Final answer
    x = 71,136.14

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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.