Home / 211,125.88-291,360.72-115,637.86

Finding the Fourth Proportional to 211,125.88, 291,360.72 and 115,637.86

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Solution

The fourth proportional to 211,125.88, 291,360.72 and 115,637.86 is: 159,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,125.88 : 291,360.72 = 115,637.86 : x
  2. Step 2: Convert to fraction form
    211,125.88/291,360.72 = 115,637.86/x
  3. Step 3: Cross multiply
    211,125.88x = 291,360.72 × 115,637.86
  4. Step 4: Simplify right side
    211,125.88x = 33,692,330,148.86
  5. Step 5: Solve for x
    x = 33,692,330,148.86/211,125.88
  6. Step 6: Final answer
    x = 159,584.08

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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.