Home / 104,581.09-156,890.47-38,114.52

Finding the Fourth Proportional to 104,581.09, 156,890.47 and 38,114.52

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Solution

The fourth proportional to 104,581.09, 156,890.47 and 38,114.52 is: 57,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,581.09 : 156,890.47 = 38,114.52 : x
  2. Step 2: Convert to fraction form
    104,581.09/156,890.47 = 38,114.52/x
  3. Step 3: Cross multiply
    104,581.09x = 156,890.47 × 38,114.52
  4. Step 4: Simplify right side
    104,581.09x = 5,979,804,956.62
  5. Step 5: Solve for x
    x = 5,979,804,956.62/104,581.09
  6. Step 6: Final answer
    x = 57,178.64

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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.