Home / 91,433.76-126,203.94-53,200.68

Finding the Fourth Proportional to 91,433.76, 126,203.94 and 53,200.68

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Solution

The fourth proportional to 91,433.76, 126,203.94 and 53,200.68 is: 73,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.76 : 126,203.94 = 53,200.68 : x
  2. Step 2: Convert to fraction form
    91,433.76/126,203.94 = 53,200.68/x
  3. Step 3: Cross multiply
    91,433.76x = 126,203.94 × 53,200.68
  4. Step 4: Simplify right side
    91,433.76x = 6,714,135,426.68
  5. Step 5: Solve for x
    x = 6,714,135,426.68/91,433.76
  6. Step 6: Final answer
    x = 73,431.69

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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.