Home / 149,133.28-223,622.70-43,938.40

Finding the Fourth Proportional to 149,133.28, 223,622.70 and 43,938.40

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Solution

The fourth proportional to 149,133.28, 223,622.70 and 43,938.40 is: 65,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,133.28 : 223,622.70 = 43,938.40 : x
  2. Step 2: Convert to fraction form
    149,133.28/223,622.70 = 43,938.40/x
  3. Step 3: Cross multiply
    149,133.28x = 223,622.70 × 43,938.40
  4. Step 4: Simplify right side
    149,133.28x = 9,825,623,641.68
  5. Step 5: Solve for x
    x = 9,825,623,641.68/149,133.28
  6. Step 6: Final answer
    x = 65,884.85

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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.