Home / 189,551.52-261,594.87-109,004.31

Finding the Fourth Proportional to 189,551.52, 261,594.87 and 109,004.31

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Solution

The fourth proportional to 189,551.52, 261,594.87 and 109,004.31 is: 150,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551.52 : 261,594.87 = 109,004.31 : x
  2. Step 2: Convert to fraction form
    189,551.52/261,594.87 = 109,004.31/x
  3. Step 3: Cross multiply
    189,551.52x = 261,594.87 × 109,004.31
  4. Step 4: Simplify right side
    189,551.52x = 28,514,968,303.89
  5. Step 5: Solve for x
    x = 28,514,968,303.89/189,551.52
  6. Step 6: Final answer
    x = 150,433.87

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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.