Home / 122,500.36-183,579.36-66,219.12

Finding the Fourth Proportional to 122,500.36, 183,579.36 and 66,219.12

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Solution

The fourth proportional to 122,500.36, 183,579.36 and 66,219.12 is: 99,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500.36 : 183,579.36 = 66,219.12 : x
  2. Step 2: Convert to fraction form
    122,500.36/183,579.36 = 66,219.12/x
  3. Step 3: Cross multiply
    122,500.36x = 183,579.36 × 66,219.12
  4. Step 4: Simplify right side
    122,500.36x = 12,156,463,669.36
  5. Step 5: Solve for x
    x = 12,156,463,669.36/122,500.36
  6. Step 6: Final answer
    x = 99,236.15

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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.