Home / 104,469.27-144,168.35-56,722.65

Finding the Fourth Proportional to 104,469.27, 144,168.35 and 56,722.65

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Solution

The fourth proportional to 104,469.27, 144,168.35 and 56,722.65 is: 78,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,469.27 : 144,168.35 = 56,722.65 : x
  2. Step 2: Convert to fraction form
    104,469.27/144,168.35 = 56,722.65/x
  3. Step 3: Cross multiply
    104,469.27x = 144,168.35 × 56,722.65
  4. Step 4: Simplify right side
    104,469.27x = 8,177,610,574.51
  5. Step 5: Solve for x
    x = 8,177,610,574.51/104,469.27
  6. Step 6: Final answer
    x = 78,277.67

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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.