Home / 251,144.28-346,577.46-136,421.88

Finding the Fourth Proportional to 251,144.28, 346,577.46 and 136,421.88

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Solution

The fourth proportional to 251,144.28, 346,577.46 and 136,421.88 is: 188,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,144.28 : 346,577.46 = 136,421.88 : x
  2. Step 2: Convert to fraction form
    251,144.28/346,577.46 = 136,421.88/x
  3. Step 3: Cross multiply
    251,144.28x = 346,577.46 × 136,421.88
  4. Step 4: Simplify right side
    251,144.28x = 47,280,748,658.82
  5. Step 5: Solve for x
    x = 47,280,748,658.82/251,144.28
  6. Step 6: Final answer
    x = 188,261.30

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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.