Home / 212,542.08-318,616.20-94,150.32

Finding the Fourth Proportional to 212,542.08, 318,616.20 and 94,150.32

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Solution

The fourth proportional to 212,542.08, 318,616.20 and 94,150.32 is: 141,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,542.08 : 318,616.20 = 94,150.32 : x
  2. Step 2: Convert to fraction form
    212,542.08/318,616.20 = 94,150.32/x
  3. Step 3: Cross multiply
    212,542.08x = 318,616.20 × 94,150.32
  4. Step 4: Simplify right side
    212,542.08x = 29,997,817,187.18
  5. Step 5: Solve for x
    x = 29,997,817,187.18/212,542.08
  6. Step 6: Final answer
    x = 141,138.25

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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.