Home / 240,835.20-361,256.44-91,146

Finding the Fourth Proportional to 240,835.20, 361,256.44 and 91,146

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Solution

The fourth proportional to 240,835.20, 361,256.44 and 91,146 is: 136,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,835.20 : 361,256.44 = 91,146 : x
  2. Step 2: Convert to fraction form
    240,835.20/361,256.44 = 91,146/x
  3. Step 3: Cross multiply
    240,835.20x = 361,256.44 × 91,146
  4. Step 4: Simplify right side
    240,835.20x = 32,927,079,480.24
  5. Step 5: Solve for x
    x = 32,927,079,480.24/240,835.20
  6. Step 6: Final answer
    x = 136,720.38

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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.