Home / 248,430.16-372,645.69-90,621.91

Finding the Fourth Proportional to 248,430.16, 372,645.69 and 90,621.91

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Solution

The fourth proportional to 248,430.16, 372,645.69 and 90,621.91 is: 135,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,430.16 : 372,645.69 = 90,621.91 : x
  2. Step 2: Convert to fraction form
    248,430.16/372,645.69 = 90,621.91/x
  3. Step 3: Cross multiply
    248,430.16x = 372,645.69 × 90,621.91
  4. Step 4: Simplify right side
    248,430.16x = 33,769,864,181.07
  5. Step 5: Solve for x
    x = 33,769,864,181.07/248,430.16
  6. Step 6: Final answer
    x = 135,933.03

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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.