Home / 104,475.44-144,172.38-56,727.80

Finding the Fourth Proportional to 104,475.44, 144,172.38 and 56,727.80

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Solution

The fourth proportional to 104,475.44, 144,172.38 and 56,727.80 is: 78,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.44 : 144,172.38 = 56,727.80 : x
  2. Step 2: Convert to fraction form
    104,475.44/144,172.38 = 56,727.80/x
  3. Step 3: Cross multiply
    104,475.44x = 144,172.38 × 56,727.80
  4. Step 4: Simplify right side
    104,475.44x = 8,178,581,938.16
  5. Step 5: Solve for x
    x = 8,178,581,938.16/104,475.44
  6. Step 6: Final answer
    x = 78,282.34

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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.