Home / 173,220.55-238,992.08-100,609.43

Finding the Fourth Proportional to 173,220.55, 238,992.08 and 100,609.43

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Solution

The fourth proportional to 173,220.55, 238,992.08 and 100,609.43 is: 138,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.55 : 238,992.08 = 100,609.43 : x
  2. Step 2: Convert to fraction form
    173,220.55/238,992.08 = 100,609.43/x
  3. Step 3: Cross multiply
    173,220.55x = 238,992.08 × 100,609.43
  4. Step 4: Simplify right side
    173,220.55x = 24,044,855,245.31
  5. Step 5: Solve for x
    x = 24,044,855,245.31/173,220.55
  6. Step 6: Final answer
    x = 138,810.64

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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.