Home / 140,677.03-194,134.35-77,018.86

Finding the Fourth Proportional to 140,677.03, 194,134.35 and 77,018.86

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Solution

The fourth proportional to 140,677.03, 194,134.35 and 77,018.86 is: 106,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,677.03 : 194,134.35 = 77,018.86 : x
  2. Step 2: Convert to fraction form
    140,677.03/194,134.35 = 77,018.86/x
  3. Step 3: Cross multiply
    140,677.03x = 194,134.35 × 77,018.86
  4. Step 4: Simplify right side
    140,677.03x = 14,952,006,323.84
  5. Step 5: Solve for x
    x = 14,952,006,323.84/140,677.03
  6. Step 6: Final answer
    x = 106,286.05

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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.