Home / 211,397.52-291,727.04-115,902.64

Finding the Fourth Proportional to 211,397.52, 291,727.04 and 115,902.64

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Solution

The fourth proportional to 211,397.52, 291,727.04 and 115,902.64 is: 159,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,397.52 : 291,727.04 = 115,902.64 : x
  2. Step 2: Convert to fraction form
    211,397.52/291,727.04 = 115,902.64/x
  3. Step 3: Cross multiply
    211,397.52x = 291,727.04 × 115,902.64
  4. Step 4: Simplify right side
    211,397.52x = 33,811,934,095.39
  5. Step 5: Solve for x
    x = 33,811,934,095.39/211,397.52
  6. Step 6: Final answer
    x = 159,944.80

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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.