Home / 142,744.95-196,670.82-94,260.78

Finding the Fourth Proportional to 142,744.95, 196,670.82 and 94,260.78

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Solution

The fourth proportional to 142,744.95, 196,670.82 and 94,260.78 is: 129,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,744.95 : 196,670.82 = 94,260.78 : x
  2. Step 2: Convert to fraction form
    142,744.95/196,670.82 = 94,260.78/x
  3. Step 3: Cross multiply
    142,744.95x = 196,670.82 × 94,260.78
  4. Step 4: Simplify right side
    142,744.95x = 18,538,344,896.44
  5. Step 5: Solve for x
    x = 18,538,344,896.44/142,744.95
  6. Step 6: Final answer
    x = 129,870.41

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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.