Home / 91,454.72-126,212.42-51,166.08

Finding the Fourth Proportional to 91,454.72, 126,212.42 and 51,166.08

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Solution

The fourth proportional to 91,454.72, 126,212.42 and 51,166.08 is: 70,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.72 : 126,212.42 = 51,166.08 : x
  2. Step 2: Convert to fraction form
    91,454.72/126,212.42 = 51,166.08/x
  3. Step 3: Cross multiply
    91,454.72x = 126,212.42 × 51,166.08
  4. Step 4: Simplify right side
    91,454.72x = 6,457,794,778.71
  5. Step 5: Solve for x
    x = 6,457,794,778.71/91,454.72
  6. Step 6: Final answer
    x = 70,611.94

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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.