Home / 115,089.93-172,623.96-40,196.25

Finding the Fourth Proportional to 115,089.93, 172,623.96 and 40,196.25

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Solution

The fourth proportional to 115,089.93, 172,623.96 and 40,196.25 is: 60,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,089.93 : 172,623.96 = 40,196.25 : x
  2. Step 2: Convert to fraction form
    115,089.93/172,623.96 = 40,196.25/x
  3. Step 3: Cross multiply
    115,089.93x = 172,623.96 × 40,196.25
  4. Step 4: Simplify right side
    115,089.93x = 6,938,835,852.15
  5. Step 5: Solve for x
    x = 6,938,835,852.15/115,089.93
  6. Step 6: Final answer
    x = 60,290.56

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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.