Home / 212,629.60-293,442.14-117,136.30

Finding the Fourth Proportional to 212,629.60, 293,442.14 and 117,136.30

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Solution

The fourth proportional to 212,629.60, 293,442.14 and 117,136.30 is: 161,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,629.60 : 293,442.14 = 117,136.30 : x
  2. Step 2: Convert to fraction form
    212,629.60/293,442.14 = 117,136.30/x
  3. Step 3: Cross multiply
    212,629.60x = 293,442.14 × 117,136.30
  4. Step 4: Simplify right side
    212,629.60x = 34,372,726,543.68
  5. Step 5: Solve for x
    x = 34,372,726,543.68/212,629.60
  6. Step 6: Final answer
    x = 161,655.42

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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.