Home / 251,018.28-346,409.48-137,851.56

Finding the Fourth Proportional to 251,018.28, 346,409.48 and 137,851.56

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Solution

The fourth proportional to 251,018.28, 346,409.48 and 137,851.56 is: 190,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,018.28 : 346,409.48 = 137,851.56 : x
  2. Step 2: Convert to fraction form
    251,018.28/346,409.48 = 137,851.56/x
  3. Step 3: Cross multiply
    251,018.28x = 346,409.48 × 137,851.56
  4. Step 4: Simplify right side
    251,018.28x = 47,753,087,216.79
  5. Step 5: Solve for x
    x = 47,753,087,216.79/251,018.28
  6. Step 6: Final answer
    x = 190,237.49

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1.5x scale

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.