Home / 89,136.45-133,676.43-29,151.06

Finding the Fourth Proportional to 89,136.45, 133,676.43 and 29,151.06

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Solution

The fourth proportional to 89,136.45, 133,676.43 and 29,151.06 is: 43,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.45 : 133,676.43 = 29,151.06 : x
  2. Step 2: Convert to fraction form
    89,136.45/133,676.43 = 29,151.06/x
  3. Step 3: Cross multiply
    89,136.45x = 133,676.43 × 29,151.06
  4. Step 4: Simplify right side
    89,136.45x = 3,896,810,394.77
  5. Step 5: Solve for x
    x = 3,896,810,394.77/89,136.45
  6. Step 6: Final answer
    x = 43,717.36

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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.