Home / 199,128.12-274,795.36-108,484.05

Finding the Fourth Proportional to 199,128.12, 274,795.36 and 108,484.05

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Solution

The fourth proportional to 199,128.12, 274,795.36 and 108,484.05 is: 149,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,128.12 : 274,795.36 = 108,484.05 : x
  2. Step 2: Convert to fraction form
    199,128.12/274,795.36 = 108,484.05/x
  3. Step 3: Cross multiply
    199,128.12x = 274,795.36 × 108,484.05
  4. Step 4: Simplify right side
    199,128.12x = 29,810,913,574.01
  5. Step 5: Solve for x
    x = 29,810,913,574.01/199,128.12
  6. Step 6: Final answer
    x = 149,707.20

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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.