Home / 199,386.63-275,152.41-108,740.88

Finding the Fourth Proportional to 199,386.63, 275,152.41 and 108,740.88

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Solution

The fourth proportional to 199,386.63, 275,152.41 and 108,740.88 is: 150,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,386.63 : 275,152.41 = 108,740.88 : x
  2. Step 2: Convert to fraction form
    199,386.63/275,152.41 = 108,740.88/x
  3. Step 3: Cross multiply
    199,386.63x = 275,152.41 × 108,740.88
  4. Step 4: Simplify right side
    199,386.63x = 29,920,315,197.52
  5. Step 5: Solve for x
    x = 29,920,315,197.52/199,386.63
  6. Step 6: Final answer
    x = 150,061.79

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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.