Home / 239,815.14-330,953.31-132,389.16

Finding the Fourth Proportional to 239,815.14, 330,953.31 and 132,389.16

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Solution

The fourth proportional to 239,815.14, 330,953.31 and 132,389.16 is: 182,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,815.14 : 330,953.31 = 132,389.16 : x
  2. Step 2: Convert to fraction form
    239,815.14/330,953.31 = 132,389.16/x
  3. Step 3: Cross multiply
    239,815.14x = 330,953.31 × 132,389.16
  4. Step 4: Simplify right side
    239,815.14x = 43,814,630,710.12
  5. Step 5: Solve for x
    x = 43,814,630,710.12/239,815.14
  6. Step 6: Final answer
    x = 182,701.69

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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.