Home / 145,144.76-200,309.62-109,277.96

Finding the Fourth Proportional to 145,144.76, 200,309.62 and 109,277.96

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Solution

The fourth proportional to 145,144.76, 200,309.62 and 109,277.96 is: 150,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,144.76 : 200,309.62 = 109,277.96 : x
  2. Step 2: Convert to fraction form
    145,144.76/200,309.62 = 109,277.96/x
  3. Step 3: Cross multiply
    145,144.76x = 200,309.62 × 109,277.96
  4. Step 4: Simplify right side
    145,144.76x = 21,889,426,869.55
  5. Step 5: Solve for x
    x = 21,889,426,869.55/145,144.76
  6. Step 6: Final answer
    x = 150,811.00

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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.