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Finding the Fourth Proportional to 188,609.55, 260,235.48 and 119,673.91

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Solution

The fourth proportional to 188,609.55, 260,235.48 and 119,673.91 is: 165,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,609.55 : 260,235.48 = 119,673.91 : x
  2. Step 2: Convert to fraction form
    188,609.55/260,235.48 = 119,673.91/x
  3. Step 3: Cross multiply
    188,609.55x = 260,235.48 × 119,673.91
  4. Step 4: Simplify right side
    188,609.55x = 31,143,397,412.33
  5. Step 5: Solve for x
    x = 31,143,397,412.33/188,609.55
  6. Step 6: Final answer
    x = 165,121.00

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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.