Home / 147,091.02-203,056.11-90,550.86

Finding the Fourth Proportional to 147,091.02, 203,056.11 and 90,550.86

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Solution

The fourth proportional to 147,091.02, 203,056.11 and 90,550.86 is: 125,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,091.02 : 203,056.11 = 90,550.86 : x
  2. Step 2: Convert to fraction form
    147,091.02/203,056.11 = 90,550.86/x
  3. Step 3: Cross multiply
    147,091.02x = 203,056.11 × 90,550.86
  4. Step 4: Simplify right side
    147,091.02x = 18,386,905,388.75
  5. Step 5: Solve for x
    x = 18,386,905,388.75/147,091.02
  6. Step 6: Final answer
    x = 125,003.59

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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.