Home / 78,004.98-107,646.84-42,194.94

Finding the Fourth Proportional to 78,004.98, 107,646.84 and 42,194.94

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Solution

The fourth proportional to 78,004.98, 107,646.84 and 42,194.94 is: 58,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004.98 : 107,646.84 = 42,194.94 : x
  2. Step 2: Convert to fraction form
    78,004.98/107,646.84 = 42,194.94/x
  3. Step 3: Cross multiply
    78,004.98x = 107,646.84 × 42,194.94
  4. Step 4: Simplify right side
    78,004.98x = 4,542,151,954.99
  5. Step 5: Solve for x
    x = 4,542,151,954.99/78,004.98
  6. Step 6: Final answer
    x = 58,229.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.