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Finding the Fourth Proportional to 172,783.33, 259,096.32 and 72,889.07

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Solution

The fourth proportional to 172,783.33, 259,096.32 and 72,889.07 is: 109,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,783.33 : 259,096.32 = 72,889.07 : x
  2. Step 2: Convert to fraction form
    172,783.33/259,096.32 = 72,889.07/x
  3. Step 3: Cross multiply
    172,783.33x = 259,096.32 × 72,889.07
  4. Step 4: Simplify right side
    172,783.33x = 18,885,288,509.74
  5. Step 5: Solve for x
    x = 18,885,288,509.74/172,783.33
  6. Step 6: Final answer
    x = 109,300.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.