Home / 236,091.60-354,121.20-76,165.20

Finding the Fourth Proportional to 236,091.60, 354,121.20 and 76,165.20

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Solution

The fourth proportional to 236,091.60, 354,121.20 and 76,165.20 is: 114,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.60 : 354,121.20 = 76,165.20 : x
  2. Step 2: Convert to fraction form
    236,091.60/354,121.20 = 76,165.20/x
  3. Step 3: Cross multiply
    236,091.60x = 354,121.20 × 76,165.20
  4. Step 4: Simplify right side
    236,091.60x = 26,971,712,022.24
  5. Step 5: Solve for x
    x = 26,971,712,022.24/236,091.60
  6. Step 6: Final answer
    x = 114,242.57

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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.