Home / 227,911.78-314,720.00-142,017.36

Finding the Fourth Proportional to 227,911.78, 314,720.00 and 142,017.36

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Solution

The fourth proportional to 227,911.78, 314,720.00 and 142,017.36 is: 196,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,911.78 : 314,720.00 = 142,017.36 : x
  2. Step 2: Convert to fraction form
    227,911.78/314,720.00 = 142,017.36/x
  3. Step 3: Cross multiply
    227,911.78x = 314,720.00 × 142,017.36
  4. Step 4: Simplify right side
    227,911.78x = 44,695,702,829.11
  5. Step 5: Solve for x
    x = 44,695,702,829.11/227,911.78
  6. Step 6: Final answer
    x = 196,109.67

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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.