Home / 104,028.62-143,559.43-56,281.98

Finding the Fourth Proportional to 104,028.62, 143,559.43 and 56,281.98

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Solution

The fourth proportional to 104,028.62, 143,559.43 and 56,281.98 is: 77,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.62 : 143,559.43 = 56,281.98 : x
  2. Step 2: Convert to fraction form
    104,028.62/143,559.43 = 56,281.98/x
  3. Step 3: Cross multiply
    104,028.62x = 143,559.43 × 56,281.98
  4. Step 4: Simplify right side
    104,028.62x = 8,079,808,968.07
  5. Step 5: Solve for x
    x = 8,079,808,968.07/104,028.62
  6. Step 6: Final answer
    x = 77,669.10

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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.