Home / 251,026.50-346,419-137,851.68

Finding the Fourth Proportional to 251,026.50, 346,419 and 137,851.68

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Solution

The fourth proportional to 251,026.50, 346,419 and 137,851.68 is: 190,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,026.50 : 346,419 = 137,851.68 : x
  2. Step 2: Convert to fraction form
    251,026.50/346,419 = 137,851.68/x
  3. Step 3: Cross multiply
    251,026.50x = 346,419 × 137,851.68
  4. Step 4: Simplify right side
    251,026.50x = 47,754,441,133.92
  5. Step 5: Solve for x
    x = 47,754,441,133.92/251,026.50
  6. Step 6: Final answer
    x = 190,236.65

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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.