Home / 104,400.34-144,072.60-56,654.50

Finding the Fourth Proportional to 104,400.34, 144,072.60 and 56,654.50

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Solution

The fourth proportional to 104,400.34, 144,072.60 and 56,654.50 is: 78,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.34 : 144,072.60 = 56,654.50 : x
  2. Step 2: Convert to fraction form
    104,400.34/144,072.60 = 56,654.50/x
  3. Step 3: Cross multiply
    104,400.34x = 144,072.60 × 56,654.50
  4. Step 4: Simplify right side
    104,400.34x = 8,162,361,116.70
  5. Step 5: Solve for x
    x = 8,162,361,116.70/104,400.34
  6. Step 6: Final answer
    x = 78,183.28

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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.