Home / 251,150.25-346,587.48-137,980.29

Finding the Fourth Proportional to 251,150.25, 346,587.48 and 137,980.29

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Solution

The fourth proportional to 251,150.25, 346,587.48 and 137,980.29 is: 190,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.25 : 346,587.48 = 137,980.29 : x
  2. Step 2: Convert to fraction form
    251,150.25/346,587.48 = 137,980.29/x
  3. Step 3: Cross multiply
    251,150.25x = 346,587.48 × 137,980.29
  4. Step 4: Simplify right side
    251,150.25x = 47,822,241,000.77
  5. Step 5: Solve for x
    x = 47,822,241,000.77/251,150.25
  6. Step 6: Final answer
    x = 190,412.87

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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.