Home / 122,088.87-183,138.17-37,857.78

Finding the Fourth Proportional to 122,088.87, 183,138.17 and 37,857.78

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Solution

The fourth proportional to 122,088.87, 183,138.17 and 37,857.78 is: 56,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,088.87 : 183,138.17 = 37,857.78 : x
  2. Step 2: Convert to fraction form
    122,088.87/183,138.17 = 37,857.78/x
  3. Step 3: Cross multiply
    122,088.87x = 183,138.17 × 37,857.78
  4. Step 4: Simplify right side
    122,088.87x = 6,933,204,360.17
  5. Step 5: Solve for x
    x = 6,933,204,360.17/122,088.87
  6. Step 6: Final answer
    x = 56,788.18

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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.