Home / 91,450.86-126,207.08-51,162.21

Finding the Fourth Proportional to 91,450.86, 126,207.08 and 51,162.21

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Solution

The fourth proportional to 91,450.86, 126,207.08 and 51,162.21 is: 70,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.86 : 126,207.08 = 51,162.21 : x
  2. Step 2: Convert to fraction form
    91,450.86/126,207.08 = 51,162.21/x
  3. Step 3: Cross multiply
    91,450.86x = 126,207.08 × 51,162.21
  4. Step 4: Simplify right side
    91,450.86x = 6,457,033,667.68
  5. Step 5: Solve for x
    x = 6,457,033,667.68/91,450.86
  6. Step 6: Final answer
    x = 70,606.60

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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.