Home / 72,150.26-108,225.39-19,558.38

Finding the Fourth Proportional to 72,150.26, 108,225.39 and 19,558.38

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Solution

The fourth proportional to 72,150.26, 108,225.39 and 19,558.38 is: 29,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,150.26 : 108,225.39 = 19,558.38 : x
  2. Step 2: Convert to fraction form
    72,150.26/108,225.39 = 19,558.38/x
  3. Step 3: Cross multiply
    72,150.26x = 108,225.39 × 19,558.38
  4. Step 4: Simplify right side
    72,150.26x = 2,116,713,303.27
  5. Step 5: Solve for x
    x = 2,116,713,303.27/72,150.26
  6. Step 6: Final answer
    x = 29,337.57

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Similar ratio
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1.5x scale

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.