Home / 140,923.56-194,484.33-77,265.47

Finding the Fourth Proportional to 140,923.56, 194,484.33 and 77,265.47

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Solution

The fourth proportional to 140,923.56, 194,484.33 and 77,265.47 is: 106,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,923.56 : 194,484.33 = 77,265.47 : x
  2. Step 2: Convert to fraction form
    140,923.56/194,484.33 = 77,265.47/x
  3. Step 3: Cross multiply
    140,923.56x = 194,484.33 × 77,265.47
  4. Step 4: Simplify right side
    140,923.56x = 15,026,922,192.66
  5. Step 5: Solve for x
    x = 15,026,922,192.66/140,923.56
  6. Step 6: Final answer
    x = 106,631.72

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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.