Home / 127,944.64-176,516.04-74,199.52

Finding the Fourth Proportional to 127,944.64, 176,516.04 and 74,199.52

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Solution

The fourth proportional to 127,944.64, 176,516.04 and 74,199.52 is: 102,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.64 : 176,516.04 = 74,199.52 : x
  2. Step 2: Convert to fraction form
    127,944.64/176,516.04 = 74,199.52/x
  3. Step 3: Cross multiply
    127,944.64x = 176,516.04 × 74,199.52
  4. Step 4: Simplify right side
    127,944.64x = 13,097,405,440.30
  5. Step 5: Solve for x
    x = 13,097,405,440.30/127,944.64
  6. Step 6: Final answer
    x = 102,367.75

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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.