Home / 91,451.70-126,208.25-51,163.07

Finding the Fourth Proportional to 91,451.70, 126,208.25 and 51,163.07

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Solution

The fourth proportional to 91,451.70, 126,208.25 and 51,163.07 is: 70,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.70 : 126,208.25 = 51,163.07 : x
  2. Step 2: Convert to fraction form
    91,451.70/126,208.25 = 51,163.07/x
  3. Step 3: Cross multiply
    91,451.70x = 126,208.25 × 51,163.07
  4. Step 4: Simplify right side
    91,451.70x = 6,457,200,642.47
  5. Step 5: Solve for x
    x = 6,457,200,642.47/91,451.70
  6. Step 6: Final answer
    x = 70,607.77

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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.