Home / 251,316.60-346,813.02-138,136.92

Finding the Fourth Proportional to 251,316.60, 346,813.02 and 138,136.92

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Solution

The fourth proportional to 251,316.60, 346,813.02 and 138,136.92 is: 190,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,316.60 : 346,813.02 = 138,136.92 : x
  2. Step 2: Convert to fraction form
    251,316.60/346,813.02 = 138,136.92/x
  3. Step 3: Cross multiply
    251,316.60x = 346,813.02 × 138,136.92
  4. Step 4: Simplify right side
    251,316.60x = 47,907,682,398.70
  5. Step 5: Solve for x
    x = 47,907,682,398.70/251,316.60
  6. Step 6: Final answer
    x = 190,626.81

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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.