Home / 122,735.32-183,880.48-56,231.08

Finding the Fourth Proportional to 122,735.32, 183,880.48 and 56,231.08

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Solution

The fourth proportional to 122,735.32, 183,880.48 and 56,231.08 is: 84,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.32 : 183,880.48 = 56,231.08 : x
  2. Step 2: Convert to fraction form
    122,735.32/183,880.48 = 56,231.08/x
  3. Step 3: Cross multiply
    122,735.32x = 183,880.48 × 56,231.08
  4. Step 4: Simplify right side
    122,735.32x = 10,339,797,981.32
  5. Step 5: Solve for x
    x = 10,339,797,981.32/122,735.32
  6. Step 6: Final answer
    x = 84,244.68

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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.