Home / 102,904.68-142,004.58-58,193.64

Finding the Fourth Proportional to 102,904.68, 142,004.58 and 58,193.64

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Solution

The fourth proportional to 102,904.68, 142,004.58 and 58,193.64 is: 80,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.68 : 142,004.58 = 58,193.64 : x
  2. Step 2: Convert to fraction form
    102,904.68/142,004.58 = 58,193.64/x
  3. Step 3: Cross multiply
    102,904.68x = 142,004.58 × 58,193.64
  4. Step 4: Simplify right side
    102,904.68x = 8,263,763,406.87
  5. Step 5: Solve for x
    x = 8,263,763,406.87/102,904.68
  6. Step 6: Final answer
    x = 80,305.03

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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.