Home / 215,120.50-296,873.56-118,328.48

Finding the Fourth Proportional to 215,120.50, 296,873.56 and 118,328.48

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Solution

The fourth proportional to 215,120.50, 296,873.56 and 118,328.48 is: 163,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,120.50 : 296,873.56 = 118,328.48 : x
  2. Step 2: Convert to fraction form
    215,120.50/296,873.56 = 118,328.48/x
  3. Step 3: Cross multiply
    215,120.50x = 296,873.56 × 118,328.48
  4. Step 4: Simplify right side
    215,120.50x = 35,128,597,106.99
  5. Step 5: Solve for x
    x = 35,128,597,106.99/215,120.50
  6. Step 6: Final answer
    x = 163,297.30

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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.