Home / 213,890.72-295,164.96-118,391.84

Finding the Fourth Proportional to 213,890.72, 295,164.96 and 118,391.84

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Solution

The fourth proportional to 213,890.72, 295,164.96 and 118,391.84 is: 163,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.72 : 295,164.96 = 118,391.84 : x
  2. Step 2: Convert to fraction form
    213,890.72/295,164.96 = 118,391.84/x
  3. Step 3: Cross multiply
    213,890.72x = 295,164.96 × 118,391.84
  4. Step 4: Simplify right side
    213,890.72x = 34,945,122,717.93
  5. Step 5: Solve for x
    x = 34,945,122,717.93/213,890.72
  6. Step 6: Final answer
    x = 163,378.40

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1.5x scale

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.