Home / 155,221.44-214,204.32-88,152

Finding the Fourth Proportional to 155,221.44, 214,204.32 and 88,152

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Solution

The fourth proportional to 155,221.44, 214,204.32 and 88,152 is: 121,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,221.44 : 214,204.32 = 88,152 : x
  2. Step 2: Convert to fraction form
    155,221.44/214,204.32 = 88,152/x
  3. Step 3: Cross multiply
    155,221.44x = 214,204.32 × 88,152
  4. Step 4: Simplify right side
    155,221.44x = 18,882,539,216.64
  5. Step 5: Solve for x
    x = 18,882,539,216.64/155,221.44
  6. Step 6: Final answer
    x = 121,649.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.