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Finding the Fourth Proportional to 104,064.99, 143,609.73 and 56,318.39

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Solution

The fourth proportional to 104,064.99, 143,609.73 and 56,318.39 is: 77,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.99 : 143,609.73 = 56,318.39 : x
  2. Step 2: Convert to fraction form
    104,064.99/143,609.73 = 56,318.39/x
  3. Step 3: Cross multiply
    104,064.99x = 143,609.73 × 56,318.39
  4. Step 4: Simplify right side
    104,064.99x = 8,087,868,391.23
  5. Step 5: Solve for x
    x = 8,087,868,391.23/104,064.99
  6. Step 6: Final answer
    x = 77,719.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.