Home / 91,451.57-126,208.07-51,162.92

Finding the Fourth Proportional to 91,451.57, 126,208.07 and 51,162.92

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Solution

The fourth proportional to 91,451.57, 126,208.07 and 51,162.92 is: 70,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.57 : 126,208.07 = 51,162.92 : x
  2. Step 2: Convert to fraction form
    91,451.57/126,208.07 = 51,162.92/x
  3. Step 3: Cross multiply
    91,451.57x = 126,208.07 × 51,162.92
  4. Step 4: Simplify right side
    91,451.57x = 6,457,173,388.76
  5. Step 5: Solve for x
    x = 6,457,173,388.76/91,451.57
  6. Step 6: Final answer
    x = 70,607.57

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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.