Home / 197,925-273,153.78-108,518.28

Finding the Fourth Proportional to 197,925, 273,153.78 and 108,518.28

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Solution

The fourth proportional to 197,925, 273,153.78 and 108,518.28 is: 149,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,925 : 273,153.78 = 108,518.28 : x
  2. Step 2: Convert to fraction form
    197,925/273,153.78 = 108,518.28/x
  3. Step 3: Cross multiply
    197,925x = 273,153.78 × 108,518.28
  4. Step 4: Simplify right side
    197,925x = 29,642,178,381.10
  5. Step 5: Solve for x
    x = 29,642,178,381.10/197,925
  6. Step 6: Final answer
    x = 149,764.70

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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.