Home / 91,450.85-126,207.07-51,162.21

Finding the Fourth Proportional to 91,450.85, 126,207.07 and 51,162.21

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Solution

The fourth proportional to 91,450.85, 126,207.07 and 51,162.21 is: 70,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.85 : 126,207.07 = 51,162.21 : x
  2. Step 2: Convert to fraction form
    91,450.85/126,207.07 = 51,162.21/x
  3. Step 3: Cross multiply
    91,450.85x = 126,207.07 × 51,162.21
  4. Step 4: Simplify right side
    91,450.85x = 6,457,032,618.82
  5. Step 5: Solve for x
    x = 6,457,032,618.82/91,450.85
  6. Step 6: Final answer
    x = 70,606.59

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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.