Home / 203,056.48-280,190.40-118,108

Finding the Fourth Proportional to 203,056.48, 280,190.40 and 118,108

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Solution

The fourth proportional to 203,056.48, 280,190.40 and 118,108 is: 162,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,056.48 : 280,190.40 = 118,108 : x
  2. Step 2: Convert to fraction form
    203,056.48/280,190.40 = 118,108/x
  3. Step 3: Cross multiply
    203,056.48x = 280,190.40 × 118,108
  4. Step 4: Simplify right side
    203,056.48x = 33,092,727,763.20
  5. Step 5: Solve for x
    x = 33,092,727,763.20/203,056.48
  6. Step 6: Final answer
    x = 162,973.02

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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.