Home / 131,556.60-197,334.90-120,670.20

Finding the Fourth Proportional to 131,556.60, 197,334.90 and 120,670.20

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Solution

The fourth proportional to 131,556.60, 197,334.90 and 120,670.20 is: 181,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,556.60 : 197,334.90 = 120,670.20 : x
  2. Step 2: Convert to fraction form
    131,556.60/197,334.90 = 120,670.20/x
  3. Step 3: Cross multiply
    131,556.60x = 197,334.90 × 120,670.20
  4. Step 4: Simplify right side
    131,556.60x = 23,812,441,849.98
  5. Step 5: Solve for x
    x = 23,812,441,849.98/131,556.60
  6. Step 6: Final answer
    x = 181,005.30

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1.5x scale

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.