Home / 251,015.75-346,404.17-137,840.93

Finding the Fourth Proportional to 251,015.75, 346,404.17 and 137,840.93

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Solution

The fourth proportional to 251,015.75, 346,404.17 and 137,840.93 is: 190,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,015.75 : 346,404.17 = 137,840.93 : x
  2. Step 2: Convert to fraction form
    251,015.75/346,404.17 = 137,840.93/x
  3. Step 3: Cross multiply
    251,015.75x = 346,404.17 × 137,840.93
  4. Step 4: Simplify right side
    251,015.75x = 47,748,672,948.68
  5. Step 5: Solve for x
    x = 47,748,672,948.68/251,015.75
  6. Step 6: Final answer
    x = 190,221.82

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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.