Home / 104,041.12-143,575.73-56,293.42

Finding the Fourth Proportional to 104,041.12, 143,575.73 and 56,293.42

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Solution

The fourth proportional to 104,041.12, 143,575.73 and 56,293.42 is: 77,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,041.12 : 143,575.73 = 56,293.42 : x
  2. Step 2: Convert to fraction form
    104,041.12/143,575.73 = 56,293.42/x
  3. Step 3: Cross multiply
    104,041.12x = 143,575.73 × 56,293.42
  4. Step 4: Simplify right side
    104,041.12x = 8,082,368,589.23
  5. Step 5: Solve for x
    x = 8,082,368,589.23/104,041.12
  6. Step 6: Final answer
    x = 77,684.37

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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.