Home / 198,459.10-273,867.24-113,574.34

Finding the Fourth Proportional to 198,459.10, 273,867.24 and 113,574.34

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Solution

The fourth proportional to 198,459.10, 273,867.24 and 113,574.34 is: 156,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,459.10 : 273,867.24 = 113,574.34 : x
  2. Step 2: Convert to fraction form
    198,459.10/273,867.24 = 113,574.34/x
  3. Step 3: Cross multiply
    198,459.10x = 273,867.24 × 113,574.34
  4. Step 4: Simplify right side
    198,459.10x = 31,104,291,030.62
  5. Step 5: Solve for x
    x = 31,104,291,030.62/198,459.10
  6. Step 6: Final answer
    x = 156,728.97

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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.