Home / 198,345.16-273,708.82-107,699.16

Finding the Fourth Proportional to 198,345.16, 273,708.82 and 107,699.16

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Solution

The fourth proportional to 198,345.16, 273,708.82 and 107,699.16 is: 148,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,345.16 : 273,708.82 = 107,699.16 : x
  2. Step 2: Convert to fraction form
    198,345.16/273,708.82 = 107,699.16/x
  3. Step 3: Cross multiply
    198,345.16x = 273,708.82 × 107,699.16
  4. Step 4: Simplify right side
    198,345.16x = 29,478,209,998.59
  5. Step 5: Solve for x
    x = 29,478,209,998.59/198,345.16
  6. Step 6: Final answer
    x = 148,620.77

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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.