Home / 91,926.18-126,862.67-51,637.86

Finding the Fourth Proportional to 91,926.18, 126,862.67 and 51,637.86

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Solution

The fourth proportional to 91,926.18, 126,862.67 and 51,637.86 is: 71,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,926.18 : 126,862.67 = 51,637.86 : x
  2. Step 2: Convert to fraction form
    91,926.18/126,862.67 = 51,637.86/x
  3. Step 3: Cross multiply
    91,926.18x = 126,862.67 × 51,637.86
  4. Step 4: Simplify right side
    91,926.18x = 6,550,916,792.69
  5. Step 5: Solve for x
    x = 6,550,916,792.69/91,926.18
  6. Step 6: Final answer
    x = 71,262.80

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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.