Home / 122,539.34-183,845.92-43,643.30

Finding the Fourth Proportional to 122,539.34, 183,845.92 and 43,643.30

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Solution

The fourth proportional to 122,539.34, 183,845.92 and 43,643.30 is: 65,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,539.34 : 183,845.92 = 43,643.30 : x
  2. Step 2: Convert to fraction form
    122,539.34/183,845.92 = 43,643.30/x
  3. Step 3: Cross multiply
    122,539.34x = 183,845.92 × 43,643.30
  4. Step 4: Simplify right side
    122,539.34x = 8,023,642,640.34
  5. Step 5: Solve for x
    x = 8,023,642,640.34/122,539.34
  6. Step 6: Final answer
    x = 65,478.10

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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.