Home / 131,351.60-196,903.96-99,281.63

Finding the Fourth Proportional to 131,351.60, 196,903.96 and 99,281.63

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Solution

The fourth proportional to 131,351.60, 196,903.96 and 99,281.63 is: 148,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.60 : 196,903.96 = 99,281.63 : x
  2. Step 2: Convert to fraction form
    131,351.60/196,903.96 = 99,281.63/x
  3. Step 3: Cross multiply
    131,351.60x = 196,903.96 × 99,281.63
  4. Step 4: Simplify right side
    131,351.60x = 19,548,946,102.25
  5. Step 5: Solve for x
    x = 19,548,946,102.25/131,351.60
  6. Step 6: Final answer
    x = 148,829.14

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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.