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Finding the Fourth Proportional to 172,908.34, 259,300.10 and 73,076.26

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Solution

The fourth proportional to 172,908.34, 259,300.10 and 73,076.26 is: 109,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,908.34 : 259,300.10 = 73,076.26 : x
  2. Step 2: Convert to fraction form
    172,908.34/259,300.10 = 73,076.26/x
  3. Step 3: Cross multiply
    172,908.34x = 259,300.10 × 73,076.26
  4. Step 4: Simplify right side
    172,908.34x = 18,948,681,525.63
  5. Step 5: Solve for x
    x = 18,948,681,525.63/172,908.34
  6. Step 6: Final answer
    x = 109,588.01

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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.