Home / 104,937.45-144,813.87-57,190.77

Finding the Fourth Proportional to 104,937.45, 144,813.87 and 57,190.77

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Solution

The fourth proportional to 104,937.45, 144,813.87 and 57,190.77 is: 78,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.45 : 144,813.87 = 57,190.77 : x
  2. Step 2: Convert to fraction form
    104,937.45/144,813.87 = 57,190.77/x
  3. Step 3: Cross multiply
    104,937.45x = 144,813.87 × 57,190.77
  4. Step 4: Simplify right side
    104,937.45x = 8,282,016,731.98
  5. Step 5: Solve for x
    x = 8,282,016,731.98/104,937.45
  6. Step 6: Final answer
    x = 78,923.37

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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.