Home / 127,690.08-176,224.56-71,101.44

Finding the Fourth Proportional to 127,690.08, 176,224.56 and 71,101.44

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Solution

The fourth proportional to 127,690.08, 176,224.56 and 71,101.44 is: 98,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.08 : 176,224.56 = 71,101.44 : x
  2. Step 2: Convert to fraction form
    127,690.08/176,224.56 = 71,101.44/x
  3. Step 3: Cross multiply
    127,690.08x = 176,224.56 × 71,101.44
  4. Step 4: Simplify right side
    127,690.08x = 12,529,819,979.37
  5. Step 5: Solve for x
    x = 12,529,819,979.37/127,690.08
  6. Step 6: Final answer
    x = 98,126.81

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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.