Home / 104,428.50-144,107.48-56,680.83

Finding the Fourth Proportional to 104,428.50, 144,107.48 and 56,680.83

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Solution

The fourth proportional to 104,428.50, 144,107.48 and 56,680.83 is: 78,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.50 : 144,107.48 = 56,680.83 : x
  2. Step 2: Convert to fraction form
    104,428.50/144,107.48 = 56,680.83/x
  3. Step 3: Cross multiply
    104,428.50x = 144,107.48 × 56,680.83
  4. Step 4: Simplify right side
    104,428.50x = 8,168,131,575.61
  5. Step 5: Solve for x
    x = 8,168,131,575.61/104,428.50
  6. Step 6: Final answer
    x = 78,217.46

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1.5x scale

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.