Home / 199,663.65-275,537.18-109,020.25

Finding the Fourth Proportional to 199,663.65, 275,537.18 and 109,020.25

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Solution

The fourth proportional to 199,663.65, 275,537.18 and 109,020.25 is: 150,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,663.65 : 275,537.18 = 109,020.25 : x
  2. Step 2: Convert to fraction form
    199,663.65/275,537.18 = 109,020.25/x
  3. Step 3: Cross multiply
    199,663.65x = 275,537.18 × 109,020.25
  4. Step 4: Simplify right side
    199,663.65x = 30,039,130,325.11
  5. Step 5: Solve for x
    x = 30,039,130,325.11/199,663.65
  6. Step 6: Final answer
    x = 150,448.67

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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.