Home / 131,237.68-196,673.52-99,190.44

Finding the Fourth Proportional to 131,237.68, 196,673.52 and 99,190.44

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Solution

The fourth proportional to 131,237.68, 196,673.52 and 99,190.44 is: 148,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.68 : 196,673.52 = 99,190.44 : x
  2. Step 2: Convert to fraction form
    131,237.68/196,673.52 = 99,190.44/x
  3. Step 3: Cross multiply
    131,237.68x = 196,673.52 × 99,190.44
  4. Step 4: Simplify right side
    131,237.68x = 19,508,132,985.15
  5. Step 5: Solve for x
    x = 19,508,132,985.15/131,237.68
  6. Step 6: Final answer
    x = 148,647.35

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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.