Home / 248,168.11-372,217.01-79,666.25

Finding the Fourth Proportional to 248,168.11, 372,217.01 and 79,666.25

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Solution

The fourth proportional to 248,168.11, 372,217.01 and 79,666.25 is: 119,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.11 : 372,217.01 = 79,666.25 : x
  2. Step 2: Convert to fraction form
    248,168.11/372,217.01 = 79,666.25/x
  3. Step 3: Cross multiply
    248,168.11x = 372,217.01 × 79,666.25
  4. Step 4: Simplify right side
    248,168.11x = 29,653,131,710.99
  5. Step 5: Solve for x
    x = 29,653,131,710.99/248,168.11
  6. Step 6: Final answer
    x = 119,488.08

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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.