Home / 73,178.10-109,700.60-26,420.04

Finding the Fourth Proportional to 73,178.10, 109,700.60 and 26,420.04

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Solution

The fourth proportional to 73,178.10, 109,700.60 and 26,420.04 is: 39,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,178.10 : 109,700.60 = 26,420.04 : x
  2. Step 2: Convert to fraction form
    73,178.10/109,700.60 = 26,420.04/x
  3. Step 3: Cross multiply
    73,178.10x = 109,700.60 × 26,420.04
  4. Step 4: Simplify right side
    73,178.10x = 2,898,294,107.92
  5. Step 5: Solve for x
    x = 2,898,294,107.92/73,178.10
  6. Step 6: Final answer
    x = 39,606.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.