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Finding the Fourth Proportional to 192,379.55, 265,483.22 and 107,496.68

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Solution

The fourth proportional to 192,379.55, 265,483.22 and 107,496.68 is: 148,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.55 : 265,483.22 = 107,496.68 : x
  2. Step 2: Convert to fraction form
    192,379.55/265,483.22 = 107,496.68/x
  3. Step 3: Cross multiply
    192,379.55x = 265,483.22 × 107,496.68
  4. Step 4: Simplify right side
    192,379.55x = 28,538,565,678.16
  5. Step 5: Solve for x
    x = 28,538,565,678.16/192,379.55
  6. Step 6: Final answer
    x = 148,345.11

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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.