Home / 448,699.11-673,052.85-133,156.05

Finding the Fourth Proportional to 448,699.11, 673,052.85 and 133,156.05

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Solution

The fourth proportional to 448,699.11, 673,052.85 and 133,156.05 is: 199,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,699.11 : 673,052.85 = 133,156.05 : x
  2. Step 2: Convert to fraction form
    448,699.11/673,052.85 = 133,156.05/x
  3. Step 3: Cross multiply
    448,699.11x = 673,052.85 × 133,156.05
  4. Step 4: Simplify right side
    448,699.11x = 89,621,058,947.24
  5. Step 5: Solve for x
    x = 89,621,058,947.24/448,699.11
  6. Step 6: Final answer
    x = 199,735.32

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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.