Home / 107,982.18-148,813.60-77,714.94

Finding the Fourth Proportional to 107,982.18, 148,813.60 and 77,714.94

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Solution

The fourth proportional to 107,982.18, 148,813.60 and 77,714.94 is: 107,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982.18 : 148,813.60 = 77,714.94 : x
  2. Step 2: Convert to fraction form
    107,982.18/148,813.60 = 77,714.94/x
  3. Step 3: Cross multiply
    107,982.18x = 148,813.60 × 77,714.94
  4. Step 4: Simplify right side
    107,982.18x = 11,565,039,995.18
  5. Step 5: Solve for x
    x = 11,565,039,995.18/107,982.18
  6. Step 6: Final answer
    x = 107,101.38

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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.