Home / 205,945.07-284,202.81-115,300.67

Finding the Fourth Proportional to 205,945.07, 284,202.81 and 115,300.67

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Solution

The fourth proportional to 205,945.07, 284,202.81 and 115,300.67 is: 159,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,945.07 : 284,202.81 = 115,300.67 : x
  2. Step 2: Convert to fraction form
    205,945.07/284,202.81 = 115,300.67/x
  3. Step 3: Cross multiply
    205,945.07x = 284,202.81 × 115,300.67
  4. Step 4: Simplify right side
    205,945.07x = 32,768,772,987.87
  5. Step 5: Solve for x
    x = 32,768,772,987.87/205,945.07
  6. Step 6: Final answer
    x = 159,114.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.