Home / 128,300.96-192,402.24-44,045.42

Finding the Fourth Proportional to 128,300.96, 192,402.24 and 44,045.42

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Solution

The fourth proportional to 128,300.96, 192,402.24 and 44,045.42 is: 66,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,300.96 : 192,402.24 = 44,045.42 : x
  2. Step 2: Convert to fraction form
    128,300.96/192,402.24 = 44,045.42/x
  3. Step 3: Cross multiply
    128,300.96x = 192,402.24 × 44,045.42
  4. Step 4: Simplify right side
    128,300.96x = 8,474,437,469.74
  5. Step 5: Solve for x
    x = 8,474,437,469.74/128,300.96
  6. Step 6: Final answer
    x = 66,051.24

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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.