Home / 144,516.71-199,436.60-80,858.63

Finding the Fourth Proportional to 144,516.71, 199,436.60 and 80,858.63

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Solution

The fourth proportional to 144,516.71, 199,436.60 and 80,858.63 is: 111,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,516.71 : 199,436.60 = 80,858.63 : x
  2. Step 2: Convert to fraction form
    144,516.71/199,436.60 = 80,858.63/x
  3. Step 3: Cross multiply
    144,516.71x = 199,436.60 × 80,858.63
  4. Step 4: Simplify right side
    144,516.71x = 16,126,170,247.86
  5. Step 5: Solve for x
    x = 16,126,170,247.86/144,516.71
  6. Step 6: Final answer
    x = 111,586.89

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1.5x scale

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.