Home / 131,235.68-196,670.51-99,188.44

Finding the Fourth Proportional to 131,235.68, 196,670.51 and 99,188.44

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Solution

The fourth proportional to 131,235.68, 196,670.51 and 99,188.44 is: 148,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.68 : 196,670.51 = 99,188.44 : x
  2. Step 2: Convert to fraction form
    131,235.68/196,670.51 = 99,188.44/x
  3. Step 3: Cross multiply
    131,235.68x = 196,670.51 × 99,188.44
  4. Step 4: Simplify right side
    131,235.68x = 19,507,441,080.90
  5. Step 5: Solve for x
    x = 19,507,441,080.90/131,235.68
  6. Step 6: Final answer
    x = 148,644.34

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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.