Home / 142,660.44-196,869.96-77,248.94

Finding the Fourth Proportional to 142,660.44, 196,869.96 and 77,248.94

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Solution

The fourth proportional to 142,660.44, 196,869.96 and 77,248.94 is: 106,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,660.44 : 196,869.96 = 77,248.94 : x
  2. Step 2: Convert to fraction form
    142,660.44/196,869.96 = 77,248.94/x
  3. Step 3: Cross multiply
    142,660.44x = 196,869.96 × 77,248.94
  4. Step 4: Simplify right side
    142,660.44x = 15,207,994,743.49
  5. Step 5: Solve for x
    x = 15,207,994,743.49/142,660.44
  6. Step 6: Final answer
    x = 106,602.75

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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.