Home / 100,887.13-151,295.37-29,790.82

Finding the Fourth Proportional to 100,887.13, 151,295.37 and 29,790.82

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Solution

The fourth proportional to 100,887.13, 151,295.37 and 29,790.82 is: 44,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.13 : 151,295.37 = 29,790.82 : x
  2. Step 2: Convert to fraction form
    100,887.13/151,295.37 = 29,790.82/x
  3. Step 3: Cross multiply
    100,887.13x = 151,295.37 × 29,790.82
  4. Step 4: Simplify right side
    100,887.13x = 4,507,213,134.50
  5. Step 5: Solve for x
    x = 4,507,213,134.50/100,887.13
  6. Step 6: Final answer
    x = 44,675.80

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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.