Home / 140,913.48-194,239.71-106,785.35

Finding the Fourth Proportional to 140,913.48, 194,239.71 and 106,785.35

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Solution

The fourth proportional to 140,913.48, 194,239.71 and 106,785.35 is: 147,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.48 : 194,239.71 = 106,785.35 : x
  2. Step 2: Convert to fraction form
    140,913.48/194,239.71 = 106,785.35/x
  3. Step 3: Cross multiply
    140,913.48x = 194,239.71 × 106,785.35
  4. Step 4: Simplify right side
    140,913.48x = 20,741,954,445.05
  5. Step 5: Solve for x
    x = 20,741,954,445.05/140,913.48
  6. Step 6: Final answer
    x = 147,196.38

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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.