Home / 144,707.56-199,697.94-80,178.77

Finding the Fourth Proportional to 144,707.56, 199,697.94 and 80,178.77

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Solution

The fourth proportional to 144,707.56, 199,697.94 and 80,178.77 is: 110,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,707.56 : 199,697.94 = 80,178.77 : x
  2. Step 2: Convert to fraction form
    144,707.56/199,697.94 = 80,178.77/x
  3. Step 3: Cross multiply
    144,707.56x = 199,697.94 × 80,178.77
  4. Step 4: Simplify right side
    144,707.56x = 16,011,535,200.73
  5. Step 5: Solve for x
    x = 16,011,535,200.73/144,707.56
  6. Step 6: Final answer
    x = 110,647.54

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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.