Home / 185,077.52-255,406.96-103,405.79

Finding the Fourth Proportional to 185,077.52, 255,406.96 and 103,405.79

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Solution

The fourth proportional to 185,077.52, 255,406.96 and 103,405.79 is: 142,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,077.52 : 255,406.96 = 103,405.79 : x
  2. Step 2: Convert to fraction form
    185,077.52/255,406.96 = 103,405.79/x
  3. Step 3: Cross multiply
    185,077.52x = 255,406.96 × 103,405.79
  4. Step 4: Simplify right side
    185,077.52x = 26,410,558,470.30
  5. Step 5: Solve for x
    x = 26,410,558,470.30/185,077.52
  6. Step 6: Final answer
    x = 142,699.98

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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.