Home / 91,502.18-126,272.98-51,215.94

Finding the Fourth Proportional to 91,502.18, 126,272.98 and 51,215.94

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Solution

The fourth proportional to 91,502.18, 126,272.98 and 51,215.94 is: 70,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,502.18 : 126,272.98 = 51,215.94 : x
  2. Step 2: Convert to fraction form
    91,502.18/126,272.98 = 51,215.94/x
  3. Step 3: Cross multiply
    91,502.18x = 126,272.98 × 51,215.94
  4. Step 4: Simplify right side
    91,502.18x = 6,467,188,479.86
  5. Step 5: Solve for x
    x = 6,467,188,479.86/91,502.18
  6. Step 6: Final answer
    x = 70,677.97

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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.