Home / 248,460.45-372,681.86-79,992.20

Finding the Fourth Proportional to 248,460.45, 372,681.86 and 79,992.20

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Solution

The fourth proportional to 248,460.45, 372,681.86 and 79,992.20 is: 119,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,460.45 : 372,681.86 = 79,992.20 : x
  2. Step 2: Convert to fraction form
    248,460.45/372,681.86 = 79,992.20/x
  3. Step 3: Cross multiply
    248,460.45x = 372,681.86 × 79,992.20
  4. Step 4: Simplify right side
    248,460.45x = 29,811,639,618.12
  5. Step 5: Solve for x
    x = 29,811,639,618.12/248,460.45
  6. Step 6: Final answer
    x = 119,985.45

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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.