Home / 127,749.96-176,315.94-71,179.56

Finding the Fourth Proportional to 127,749.96, 176,315.94 and 71,179.56

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Solution

The fourth proportional to 127,749.96, 176,315.94 and 71,179.56 is: 98,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,749.96 : 176,315.94 = 71,179.56 : x
  2. Step 2: Convert to fraction form
    127,749.96/176,315.94 = 71,179.56/x
  3. Step 3: Cross multiply
    127,749.96x = 176,315.94 × 71,179.56
  4. Step 4: Simplify right side
    127,749.96x = 12,550,091,030.19
  5. Step 5: Solve for x
    x = 12,550,091,030.19/127,749.96
  6. Step 6: Final answer
    x = 98,239.49

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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.