Home / 251,149.50-346,586.45-137,979.54

Finding the Fourth Proportional to 251,149.50, 346,586.45 and 137,979.54

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Solution

The fourth proportional to 251,149.50, 346,586.45 and 137,979.54 is: 190,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,149.50 : 346,586.45 = 137,979.54 : x
  2. Step 2: Convert to fraction form
    251,149.50/346,586.45 = 137,979.54/x
  3. Step 3: Cross multiply
    251,149.50x = 346,586.45 × 137,979.54
  4. Step 4: Simplify right side
    251,149.50x = 47,821,838,251.34
  5. Step 5: Solve for x
    x = 47,821,838,251.34/251,149.50
  6. Step 6: Final answer
    x = 190,411.84

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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.