Home / 231,958.16-347,378.88-131,873.52

Finding the Fourth Proportional to 231,958.16, 347,378.88 and 131,873.52

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Solution

The fourth proportional to 231,958.16, 347,378.88 and 131,873.52 is: 197,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,958.16 : 347,378.88 = 131,873.52 : x
  2. Step 2: Convert to fraction form
    231,958.16/347,378.88 = 131,873.52/x
  3. Step 3: Cross multiply
    231,958.16x = 347,378.88 × 131,873.52
  4. Step 4: Simplify right side
    231,958.16x = 45,810,075,679.26
  5. Step 5: Solve for x
    x = 45,810,075,679.26/231,958.16
  6. Step 6: Final answer
    x = 197,492.84

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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.