Home / 215,985.96-298,062.30-120,477.24

Finding the Fourth Proportional to 215,985.96, 298,062.30 and 120,477.24

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Solution

The fourth proportional to 215,985.96, 298,062.30 and 120,477.24 is: 166,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,985.96 : 298,062.30 = 120,477.24 : x
  2. Step 2: Convert to fraction form
    215,985.96/298,062.30 = 120,477.24/x
  3. Step 3: Cross multiply
    215,985.96x = 298,062.30 × 120,477.24
  4. Step 4: Simplify right side
    215,985.96x = 35,909,723,252.05
  5. Step 5: Solve for x
    x = 35,909,723,252.05/215,985.96
  6. Step 6: Final answer
    x = 166,259.53

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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.