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Finding the Fourth Proportional to 188,178.08, 282,048.24 and 69,758.24

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Solution

The fourth proportional to 188,178.08, 282,048.24 and 69,758.24 is: 104,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,178.08 : 282,048.24 = 69,758.24 : x
  2. Step 2: Convert to fraction form
    188,178.08/282,048.24 = 69,758.24/x
  3. Step 3: Cross multiply
    188,178.08x = 282,048.24 × 69,758.24
  4. Step 4: Simplify right side
    188,178.08x = 19,675,188,817.50
  5. Step 5: Solve for x
    x = 19,675,188,817.50/188,178.08
  6. Step 6: Final answer
    x = 104,556.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.