Home / 104,406.75-144,081.42-56,660.11

Finding the Fourth Proportional to 104,406.75, 144,081.42 and 56,660.11

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Solution

The fourth proportional to 104,406.75, 144,081.42 and 56,660.11 is: 78,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.75 : 144,081.42 = 56,660.11 : x
  2. Step 2: Convert to fraction form
    104,406.75/144,081.42 = 56,660.11/x
  3. Step 3: Cross multiply
    104,406.75x = 144,081.42 × 56,660.11
  4. Step 4: Simplify right side
    104,406.75x = 8,163,668,533.48
  5. Step 5: Solve for x
    x = 8,163,668,533.48/104,406.75
  6. Step 6: Final answer
    x = 78,191.00

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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.