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Finding the Fourth Proportional to 192,496.59, 265,645.91 and 107,613.65

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Solution

The fourth proportional to 192,496.59, 265,645.91 and 107,613.65 is: 148,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,496.59 : 265,645.91 = 107,613.65 : x
  2. Step 2: Convert to fraction form
    192,496.59/265,645.91 = 107,613.65/x
  3. Step 3: Cross multiply
    192,496.59x = 265,645.91 × 107,613.65
  4. Step 4: Simplify right side
    192,496.59x = 28,587,125,982.67
  5. Step 5: Solve for x
    x = 28,587,125,982.67/192,496.59
  6. Step 6: Final answer
    x = 148,507.18

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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.