Home / 251,056.59-346,460.79-137,879.34

Finding the Fourth Proportional to 251,056.59, 346,460.79 and 137,879.34

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Solution

The fourth proportional to 251,056.59, 346,460.79 and 137,879.34 is: 190,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,056.59 : 346,460.79 = 137,879.34 : x
  2. Step 2: Convert to fraction form
    251,056.59/346,460.79 = 137,879.34/x
  3. Step 3: Cross multiply
    251,056.59x = 346,460.79 × 137,879.34
  4. Step 4: Simplify right side
    251,056.59x = 47,769,785,061.08
  5. Step 5: Solve for x
    x = 47,769,785,061.08/251,056.59
  6. Step 6: Final answer
    x = 190,274.97

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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.