Home / 135,332.02-203,022.78-45,365.86

Finding the Fourth Proportional to 135,332.02, 203,022.78 and 45,365.86

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Solution

The fourth proportional to 135,332.02, 203,022.78 and 45,365.86 is: 68,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,332.02 : 203,022.78 = 45,365.86 : x
  2. Step 2: Convert to fraction form
    135,332.02/203,022.78 = 45,365.86/x
  3. Step 3: Cross multiply
    135,332.02x = 203,022.78 × 45,365.86
  4. Step 4: Simplify right side
    135,332.02x = 9,210,303,014.29
  5. Step 5: Solve for x
    x = 9,210,303,014.29/135,332.02
  6. Step 6: Final answer
    x = 68,057.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.