Home / 213,970.60-320,865.18-114,109.48

Finding the Fourth Proportional to 213,970.60, 320,865.18 and 114,109.48

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Solution

The fourth proportional to 213,970.60, 320,865.18 and 114,109.48 is: 171,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,970.60 : 320,865.18 = 114,109.48 : x
  2. Step 2: Convert to fraction form
    213,970.60/320,865.18 = 114,109.48/x
  3. Step 3: Cross multiply
    213,970.60x = 320,865.18 × 114,109.48
  4. Step 4: Simplify right side
    213,970.60x = 36,613,758,839.91
  5. Step 5: Solve for x
    x = 36,613,758,839.91/213,970.60
  6. Step 6: Final answer
    x = 171,115.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.