Home / 215,647.02-297,579.96-120,136.68

Finding the Fourth Proportional to 215,647.02, 297,579.96 and 120,136.68

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Solution

The fourth proportional to 215,647.02, 297,579.96 and 120,136.68 is: 165,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,647.02 : 297,579.96 = 120,136.68 : x
  2. Step 2: Convert to fraction form
    215,647.02/297,579.96 = 120,136.68/x
  3. Step 3: Cross multiply
    215,647.02x = 297,579.96 × 120,136.68
  4. Step 4: Simplify right side
    215,647.02x = 35,750,268,428.93
  5. Step 5: Solve for x
    x = 35,750,268,428.93/215,647.02
  6. Step 6: Final answer
    x = 165,781.42

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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.