Home / 212,120.42-292,684.18-118,989.12

Finding the Fourth Proportional to 212,120.42, 292,684.18 and 118,989.12

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Solution

The fourth proportional to 212,120.42, 292,684.18 and 118,989.12 is: 164,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,120.42 : 292,684.18 = 118,989.12 : x
  2. Step 2: Convert to fraction form
    212,120.42/292,684.18 = 118,989.12/x
  3. Step 3: Cross multiply
    212,120.42x = 292,684.18 × 118,989.12
  4. Step 4: Simplify right side
    212,120.42x = 34,826,233,016.12
  5. Step 5: Solve for x
    x = 34,826,233,016.12/212,120.42
  6. Step 6: Final answer
    x = 164,181.43

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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.