Home / 215,081.62-296,816.06-118,289.70

Finding the Fourth Proportional to 215,081.62, 296,816.06 and 118,289.70

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Solution

The fourth proportional to 215,081.62, 296,816.06 and 118,289.70 is: 163,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,081.62 : 296,816.06 = 118,289.70 : x
  2. Step 2: Convert to fraction form
    215,081.62/296,816.06 = 118,289.70/x
  3. Step 3: Cross multiply
    215,081.62x = 296,816.06 × 118,289.70
  4. Step 4: Simplify right side
    215,081.62x = 35,110,282,692.58
  5. Step 5: Solve for x
    x = 35,110,282,692.58/215,081.62
  6. Step 6: Final answer
    x = 163,241.67

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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.