Home / 149,134.28-223,624.20-43,939.40

Finding the Fourth Proportional to 149,134.28, 223,624.20 and 43,939.40

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Solution

The fourth proportional to 149,134.28, 223,624.20 and 43,939.40 is: 65,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,134.28 : 223,624.20 = 43,939.40 : x
  2. Step 2: Convert to fraction form
    149,134.28/223,624.20 = 43,939.40/x
  3. Step 3: Cross multiply
    149,134.28x = 223,624.20 × 43,939.40
  4. Step 4: Simplify right side
    149,134.28x = 9,825,913,173.48
  5. Step 5: Solve for x
    x = 9,825,913,173.48/149,134.28
  6. Step 6: Final answer
    x = 65,886.35

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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.