Home / 198,358.64-273,657.49-113,430.32

Finding the Fourth Proportional to 198,358.64, 273,657.49 and 113,430.32

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Solution

The fourth proportional to 198,358.64, 273,657.49 and 113,430.32 is: 156,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,358.64 : 273,657.49 = 113,430.32 : x
  2. Step 2: Convert to fraction form
    198,358.64/273,657.49 = 113,430.32/x
  3. Step 3: Cross multiply
    198,358.64x = 273,657.49 × 113,430.32
  4. Step 4: Simplify right side
    198,358.64x = 31,041,055,009.23
  5. Step 5: Solve for x
    x = 31,041,055,009.23/198,358.64
  6. Step 6: Final answer
    x = 156,489.56

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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.