Home / 212,218.79-292,856.18-120,354.93

Finding the Fourth Proportional to 212,218.79, 292,856.18 and 120,354.93

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Solution

The fourth proportional to 212,218.79, 292,856.18 and 120,354.93 is: 166,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218.79 : 292,856.18 = 120,354.93 : x
  2. Step 2: Convert to fraction form
    212,218.79/292,856.18 = 120,354.93/x
  3. Step 3: Cross multiply
    212,218.79x = 292,856.18 × 120,354.93
  4. Step 4: Simplify right side
    212,218.79x = 35,246,684,442.19
  5. Step 5: Solve for x
    x = 35,246,684,442.19/212,218.79
  6. Step 6: Final answer
    x = 166,086.54

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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.