Home / 122,129.05-183,219.72-37,887.40

Finding the Fourth Proportional to 122,129.05, 183,219.72 and 37,887.40

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Solution

The fourth proportional to 122,129.05, 183,219.72 and 37,887.40 is: 56,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.05 : 183,219.72 = 37,887.40 : x
  2. Step 2: Convert to fraction form
    122,129.05/183,219.72 = 37,887.40/x
  3. Step 3: Cross multiply
    122,129.05x = 183,219.72 × 37,887.40
  4. Step 4: Simplify right side
    122,129.05x = 6,941,718,819.53
  5. Step 5: Solve for x
    x = 6,941,718,819.53/122,129.05
  6. Step 6: Final answer
    x = 56,839.21

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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.