Home / 251,136.42-346,568.49-137,966.50

Finding the Fourth Proportional to 251,136.42, 346,568.49 and 137,966.50

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Solution

The fourth proportional to 251,136.42, 346,568.49 and 137,966.50 is: 190,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,136.42 : 346,568.49 = 137,966.50 : x
  2. Step 2: Convert to fraction form
    251,136.42/346,568.49 = 137,966.50/x
  3. Step 3: Cross multiply
    251,136.42x = 346,568.49 × 137,966.50
  4. Step 4: Simplify right side
    251,136.42x = 47,814,841,575.59
  5. Step 5: Solve for x
    x = 47,814,841,575.59/251,136.42
  6. Step 6: Final answer
    x = 190,393.90

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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.