Home / 120,096.42-180,144.63-31,349.16

Finding the Fourth Proportional to 120,096.42, 180,144.63 and 31,349.16

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Solution

The fourth proportional to 120,096.42, 180,144.63 and 31,349.16 is: 47,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,096.42 : 180,144.63 = 31,349.16 : x
  2. Step 2: Convert to fraction form
    120,096.42/180,144.63 = 31,349.16/x
  3. Step 3: Cross multiply
    120,096.42x = 180,144.63 × 31,349.16
  4. Step 4: Simplify right side
    120,096.42x = 5,647,382,829.01
  5. Step 5: Solve for x
    x = 5,647,382,829.01/120,096.42
  6. Step 6: Final answer
    x = 47,023.74

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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.