Home / 212,099.36-318,132.50-123,296.23

Finding the Fourth Proportional to 212,099.36, 318,132.50 and 123,296.23

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Solution

The fourth proportional to 212,099.36, 318,132.50 and 123,296.23 is: 184,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,099.36 : 318,132.50 = 123,296.23 : x
  2. Step 2: Convert to fraction form
    212,099.36/318,132.50 = 123,296.23/x
  3. Step 3: Cross multiply
    212,099.36x = 318,132.50 × 123,296.23
  4. Step 4: Simplify right side
    212,099.36x = 39,224,536,478.66
  5. Step 5: Solve for x
    x = 39,224,536,478.66/212,099.36
  6. Step 6: Final answer
    x = 184,934.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.