Home / 140,671.07-194,126.07-77,008.86

Finding the Fourth Proportional to 140,671.07, 194,126.07 and 77,008.86

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Solution

The fourth proportional to 140,671.07, 194,126.07 and 77,008.86 is: 106,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,671.07 : 194,126.07 = 77,008.86 : x
  2. Step 2: Convert to fraction form
    140,671.07/194,126.07 = 77,008.86/x
  3. Step 3: Cross multiply
    140,671.07x = 194,126.07 × 77,008.86
  4. Step 4: Simplify right side
    140,671.07x = 14,949,427,346.98
  5. Step 5: Solve for x
    x = 14,949,427,346.98/140,671.07
  6. Step 6: Final answer
    x = 106,272.23

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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.