Home / 211,836.32-292,332.56-115,042.08

Finding the Fourth Proportional to 211,836.32, 292,332.56 and 115,042.08

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Solution

The fourth proportional to 211,836.32, 292,332.56 and 115,042.08 is: 158,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,836.32 : 292,332.56 = 115,042.08 : x
  2. Step 2: Convert to fraction form
    211,836.32/292,332.56 = 115,042.08/x
  3. Step 3: Cross multiply
    211,836.32x = 292,332.56 × 115,042.08
  4. Step 4: Simplify right side
    211,836.32x = 33,630,545,754.12
  5. Step 5: Solve for x
    x = 33,630,545,754.12/211,836.32
  6. Step 6: Final answer
    x = 158,757.22

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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.