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Finding the Fourth Proportional to 179,703.40, 247,992.42 and 99,134.32

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Solution

The fourth proportional to 179,703.40, 247,992.42 and 99,134.32 is: 136,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.40 : 247,992.42 = 99,134.32 : x
  2. Step 2: Convert to fraction form
    179,703.40/247,992.42 = 99,134.32/x
  3. Step 3: Cross multiply
    179,703.40x = 247,992.42 × 99,134.32
  4. Step 4: Simplify right side
    179,703.40x = 24,584,559,921.85
  5. Step 5: Solve for x
    x = 24,584,559,921.85/179,703.40
  6. Step 6: Final answer
    x = 136,806.31

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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.