Home / 131,350.60-196,902.46-99,280.63

Finding the Fourth Proportional to 131,350.60, 196,902.46 and 99,280.63

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Solution

The fourth proportional to 131,350.60, 196,902.46 and 99,280.63 is: 148,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,350.60 : 196,902.46 = 99,280.63 : x
  2. Step 2: Convert to fraction form
    131,350.60/196,902.46 = 99,280.63/x
  3. Step 3: Cross multiply
    131,350.60x = 196,902.46 × 99,280.63
  4. Step 4: Simplify right side
    131,350.60x = 19,548,599,044.64
  5. Step 5: Solve for x
    x = 19,548,599,044.64/131,350.60
  6. Step 6: Final answer
    x = 148,827.64

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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.