Home / 128,244.21-192,366.32-34,749.96

Finding the Fourth Proportional to 128,244.21, 192,366.32 and 34,749.96

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Solution

The fourth proportional to 128,244.21, 192,366.32 and 34,749.96 is: 52,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,244.21 : 192,366.32 = 34,749.96 : x
  2. Step 2: Convert to fraction form
    128,244.21/192,366.32 = 34,749.96/x
  3. Step 3: Cross multiply
    128,244.21x = 192,366.32 × 34,749.96
  4. Step 4: Simplify right side
    128,244.21x = 6,684,721,925.35
  5. Step 5: Solve for x
    x = 6,684,721,925.35/128,244.21
  6. Step 6: Final answer
    x = 52,124.94

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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.