Home / 211,304.88-291,557.64-125,225.92

Finding the Fourth Proportional to 211,304.88, 291,557.64 and 125,225.92

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Solution

The fourth proportional to 211,304.88, 291,557.64 and 125,225.92 is: 172,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,304.88 : 291,557.64 = 125,225.92 : x
  2. Step 2: Convert to fraction form
    211,304.88/291,557.64 = 125,225.92/x
  3. Step 3: Cross multiply
    211,304.88x = 291,557.64 × 125,225.92
  4. Step 4: Simplify right side
    211,304.88x = 36,510,573,702.03
  5. Step 5: Solve for x
    x = 36,510,573,702.03/211,304.88
  6. Step 6: Final answer
    x = 172,786.23

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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.