Home / 251,348.08-346,851.54-138,170.02

Finding the Fourth Proportional to 251,348.08, 346,851.54 and 138,170.02

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Solution

The fourth proportional to 251,348.08, 346,851.54 and 138,170.02 is: 190,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,348.08 : 346,851.54 = 138,170.02 : x
  2. Step 2: Convert to fraction form
    251,348.08/346,851.54 = 138,170.02/x
  3. Step 3: Cross multiply
    251,348.08x = 346,851.54 × 138,170.02
  4. Step 4: Simplify right side
    251,348.08x = 47,924,484,218.83
  5. Step 5: Solve for x
    x = 47,924,484,218.83/251,348.08
  6. Step 6: Final answer
    x = 190,669.78

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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.