Home / 236,499.17-354,802.21-78,733.85

Finding the Fourth Proportional to 236,499.17, 354,802.21 and 78,733.85

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Solution

The fourth proportional to 236,499.17, 354,802.21 and 78,733.85 is: 118,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,499.17 : 354,802.21 = 78,733.85 : x
  2. Step 2: Convert to fraction form
    236,499.17/354,802.21 = 78,733.85/x
  3. Step 3: Cross multiply
    236,499.17x = 354,802.21 × 78,733.85
  4. Step 4: Simplify right side
    236,499.17x = 27,934,942,010.96
  5. Step 5: Solve for x
    x = 27,934,942,010.96/236,499.17
  6. Step 6: Final answer
    x = 118,118.57

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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.