Home / 141,749.52-195,605.04-78,087.32

Finding the Fourth Proportional to 141,749.52, 195,605.04 and 78,087.32

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Solution

The fourth proportional to 141,749.52, 195,605.04 and 78,087.32 is: 107,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,749.52 : 195,605.04 = 78,087.32 : x
  2. Step 2: Convert to fraction form
    141,749.52/195,605.04 = 78,087.32/x
  3. Step 3: Cross multiply
    141,749.52x = 195,605.04 × 78,087.32
  4. Step 4: Simplify right side
    141,749.52x = 15,274,273,352.09
  5. Step 5: Solve for x
    x = 15,274,273,352.09/141,749.52
  6. Step 6: Final answer
    x = 107,755.38

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1.5x scale

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.