Home / 149,547.73-206,370.16-82,479.73

Finding the Fourth Proportional to 149,547.73, 206,370.16 and 82,479.73

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Solution

The fourth proportional to 149,547.73, 206,370.16 and 82,479.73 is: 113,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,547.73 : 206,370.16 = 82,479.73 : x
  2. Step 2: Convert to fraction form
    149,547.73/206,370.16 = 82,479.73/x
  3. Step 3: Cross multiply
    149,547.73x = 206,370.16 × 82,479.73
  4. Step 4: Simplify right side
    149,547.73x = 17,021,355,076.86
  5. Step 5: Solve for x
    x = 17,021,355,076.86/149,547.73
  6. Step 6: Final answer
    x = 113,818.88

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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.