Home / 198,012.60-273,080.16-155,497.32

Finding the Fourth Proportional to 198,012.60, 273,080.16 and 155,497.32

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Solution

The fourth proportional to 198,012.60, 273,080.16 and 155,497.32 is: 214,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,012.60 : 273,080.16 = 155,497.32 : x
  2. Step 2: Convert to fraction form
    198,012.60/273,080.16 = 155,497.32/x
  3. Step 3: Cross multiply
    198,012.60x = 273,080.16 × 155,497.32
  4. Step 4: Simplify right side
    198,012.60x = 42,463,233,025.17
  5. Step 5: Solve for x
    x = 42,463,233,025.17/198,012.60
  6. Step 6: Final answer
    x = 214,447.13

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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.