Home / 199,357.77-275,106.03-113,328.06

Finding the Fourth Proportional to 199,357.77, 275,106.03 and 113,328.06

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Solution

The fourth proportional to 199,357.77, 275,106.03 and 113,328.06 is: 156,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357.77 : 275,106.03 = 113,328.06 : x
  2. Step 2: Convert to fraction form
    199,357.77/275,106.03 = 113,328.06/x
  3. Step 3: Cross multiply
    199,357.77x = 275,106.03 × 113,328.06
  4. Step 4: Simplify right side
    199,357.77x = 31,177,233,561.88
  5. Step 5: Solve for x
    x = 31,177,233,561.88/199,357.77
  6. Step 6: Final answer
    x = 156,388.35

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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.