Home / 144,705.27-199,677.05-80,158.35

Finding the Fourth Proportional to 144,705.27, 199,677.05 and 80,158.35

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Solution

The fourth proportional to 144,705.27, 199,677.05 and 80,158.35 is: 110,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,705.27 : 199,677.05 = 80,158.35 : x
  2. Step 2: Convert to fraction form
    144,705.27/199,677.05 = 80,158.35/x
  3. Step 3: Cross multiply
    144,705.27x = 199,677.05 × 80,158.35
  4. Step 4: Simplify right side
    144,705.27x = 16,005,782,460.08
  5. Step 5: Solve for x
    x = 16,005,782,460.08/144,705.27
  6. Step 6: Final answer
    x = 110,609.54

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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.