Home / 127,355.49-191,022.21-43,113.87

Finding the Fourth Proportional to 127,355.49, 191,022.21 and 43,113.87

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Solution

The fourth proportional to 127,355.49, 191,022.21 and 43,113.87 is: 64,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,355.49 : 191,022.21 = 43,113.87 : x
  2. Step 2: Convert to fraction form
    127,355.49/191,022.21 = 43,113.87/x
  3. Step 3: Cross multiply
    127,355.49x = 191,022.21 × 43,113.87
  4. Step 4: Simplify right side
    127,355.49x = 8,235,706,729.05
  5. Step 5: Solve for x
    x = 8,235,706,729.05/127,355.49
  6. Step 6: Final answer
    x = 64,667.07

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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.