Home / 159,045.21-238,575.11-112,505.85

Finding the Fourth Proportional to 159,045.21, 238,575.11 and 112,505.85

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Solution

The fourth proportional to 159,045.21, 238,575.11 and 112,505.85 is: 168,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,045.21 : 238,575.11 = 112,505.85 : x
  2. Step 2: Convert to fraction form
    159,045.21/238,575.11 = 112,505.85/x
  3. Step 3: Cross multiply
    159,045.21x = 238,575.11 × 112,505.85
  4. Step 4: Simplify right side
    159,045.21x = 26,841,094,976.86
  5. Step 5: Solve for x
    x = 26,841,094,976.86/159,045.21
  6. Step 6: Final answer
    x = 168,763.93

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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.