Home / 104,478.06-144,181.05-56,732.22

Finding the Fourth Proportional to 104,478.06, 144,181.05 and 56,732.22

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Solution

The fourth proportional to 104,478.06, 144,181.05 and 56,732.22 is: 78,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,478.06 : 144,181.05 = 56,732.22 : x
  2. Step 2: Convert to fraction form
    104,478.06/144,181.05 = 56,732.22/x
  3. Step 3: Cross multiply
    104,478.06x = 144,181.05 × 56,732.22
  4. Step 4: Simplify right side
    104,478.06x = 8,179,711,048.43
  5. Step 5: Solve for x
    x = 8,179,711,048.43/104,478.06
  6. Step 6: Final answer
    x = 78,291.18

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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.