Home / 213,961.53-295,271.55-117,169.50

Finding the Fourth Proportional to 213,961.53, 295,271.55 and 117,169.50

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Solution

The fourth proportional to 213,961.53, 295,271.55 and 117,169.50 is: 161,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,961.53 : 295,271.55 = 117,169.50 : x
  2. Step 2: Convert to fraction form
    213,961.53/295,271.55 = 117,169.50/x
  3. Step 3: Cross multiply
    213,961.53x = 295,271.55 × 117,169.50
  4. Step 4: Simplify right side
    213,961.53x = 34,596,819,877.73
  5. Step 5: Solve for x
    x = 34,596,819,877.73/213,961.53
  6. Step 6: Final answer
    x = 161,696.45

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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.