Home / 213,435.10-294,530.88-117,939.75

Finding the Fourth Proportional to 213,435.10, 294,530.88 and 117,939.75

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Solution

The fourth proportional to 213,435.10, 294,530.88 and 117,939.75 is: 162,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,435.10 : 294,530.88 = 117,939.75 : x
  2. Step 2: Convert to fraction form
    213,435.10/294,530.88 = 117,939.75/x
  3. Step 3: Cross multiply
    213,435.10x = 294,530.88 × 117,939.75
  4. Step 4: Simplify right side
    213,435.10x = 34,736,897,692.26
  5. Step 5: Solve for x
    x = 34,736,897,692.26/213,435.10
  6. Step 6: Final answer
    x = 162,751.57

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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.