Home / 211,296.36-291,565.26-130,775.88

Finding the Fourth Proportional to 211,296.36, 291,565.26 and 130,775.88

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Solution

The fourth proportional to 211,296.36, 291,565.26 and 130,775.88 is: 180,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,296.36 : 291,565.26 = 130,775.88 : x
  2. Step 2: Convert to fraction form
    211,296.36/291,565.26 = 130,775.88/x
  3. Step 3: Cross multiply
    211,296.36x = 291,565.26 × 130,775.88
  4. Step 4: Simplify right side
    211,296.36x = 38,129,703,453.93
  5. Step 5: Solve for x
    x = 38,129,703,453.93/211,296.36
  6. Step 6: Final answer
    x = 180,456.04

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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.