Home / 151,180.08-208,606.50-90,737.88

Finding the Fourth Proportional to 151,180.08, 208,606.50 and 90,737.88

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Solution

The fourth proportional to 151,180.08, 208,606.50 and 90,737.88 is: 125,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,180.08 : 208,606.50 = 90,737.88 : x
  2. Step 2: Convert to fraction form
    151,180.08/208,606.50 = 90,737.88/x
  3. Step 3: Cross multiply
    151,180.08x = 208,606.50 × 90,737.88
  4. Step 4: Simplify right side
    151,180.08x = 18,928,511,564.22
  5. Step 5: Solve for x
    x = 18,928,511,564.22/151,180.08
  6. Step 6: Final answer
    x = 125,205.06

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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.