Home / 213,055.43-294,004.08-117,561.90

Finding the Fourth Proportional to 213,055.43, 294,004.08 and 117,561.90

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Solution

The fourth proportional to 213,055.43, 294,004.08 and 117,561.90 is: 162,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,055.43 : 294,004.08 = 117,561.90 : x
  2. Step 2: Convert to fraction form
    213,055.43/294,004.08 = 117,561.90/x
  3. Step 3: Cross multiply
    213,055.43x = 294,004.08 × 117,561.90
  4. Step 4: Simplify right side
    213,055.43x = 34,563,678,252.55
  5. Step 5: Solve for x
    x = 34,563,678,252.55/213,055.43
  6. Step 6: Final answer
    x = 162,228.58

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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.