Home / 161,261.60-241,777.20-72,442.40

Finding the Fourth Proportional to 161,261.60, 241,777.20 and 72,442.40

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Solution

The fourth proportional to 161,261.60, 241,777.20 and 72,442.40 is: 108,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,261.60 : 241,777.20 = 72,442.40 : x
  2. Step 2: Convert to fraction form
    161,261.60/241,777.20 = 72,442.40/x
  3. Step 3: Cross multiply
    161,261.60x = 241,777.20 × 72,442.40
  4. Step 4: Simplify right side
    161,261.60x = 17,514,920,633.28
  5. Step 5: Solve for x
    x = 17,514,920,633.28/161,261.60
  6. Step 6: Final answer
    x = 108,611.85

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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.