Home / 104,419.40-156,677.70-54,555.80

Finding the Fourth Proportional to 104,419.40, 156,677.70 and 54,555.80

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Solution

The fourth proportional to 104,419.40, 156,677.70 and 54,555.80 is: 81,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.40 : 156,677.70 = 54,555.80 : x
  2. Step 2: Convert to fraction form
    104,419.40/156,677.70 = 54,555.80/x
  3. Step 3: Cross multiply
    104,419.40x = 156,677.70 × 54,555.80
  4. Step 4: Simplify right side
    104,419.40x = 8,547,677,265.66
  5. Step 5: Solve for x
    x = 8,547,677,265.66/104,419.40
  6. Step 6: Final answer
    x = 81,859.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.