Home / 91,516.66-126,293.04-51,230.50

Finding the Fourth Proportional to 91,516.66, 126,293.04 and 51,230.50

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Solution

The fourth proportional to 91,516.66, 126,293.04 and 51,230.50 is: 70,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.66 : 126,293.04 = 51,230.50 : x
  2. Step 2: Convert to fraction form
    91,516.66/126,293.04 = 51,230.50/x
  3. Step 3: Cross multiply
    91,516.66x = 126,293.04 × 51,230.50
  4. Step 4: Simplify right side
    91,516.66x = 6,470,055,269.99
  5. Step 5: Solve for x
    x = 6,470,055,269.99/91,516.66
  6. Step 6: Final answer
    x = 70,698.12

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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.