Home / 251,017.50-346,404.12-136,295.58

Finding the Fourth Proportional to 251,017.50, 346,404.12 and 136,295.58

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Solution

The fourth proportional to 251,017.50, 346,404.12 and 136,295.58 is: 188,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,017.50 : 346,404.12 = 136,295.58 : x
  2. Step 2: Convert to fraction form
    251,017.50/346,404.12 = 136,295.58/x
  3. Step 3: Cross multiply
    251,017.50x = 346,404.12 × 136,295.58
  4. Step 4: Simplify right side
    251,017.50x = 47,213,350,449.79
  5. Step 5: Solve for x
    x = 47,213,350,449.79/251,017.50
  6. Step 6: Final answer
    x = 188,087.88

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1.5x scale

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.