Home / 167,128.74-250,668.45-48,768.30

Finding the Fourth Proportional to 167,128.74, 250,668.45 and 48,768.30

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Solution

The fourth proportional to 167,128.74, 250,668.45 and 48,768.30 is: 73,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,128.74 : 250,668.45 = 48,768.30 : x
  2. Step 2: Convert to fraction form
    167,128.74/250,668.45 = 48,768.30/x
  3. Step 3: Cross multiply
    167,128.74x = 250,668.45 × 48,768.30
  4. Step 4: Simplify right side
    167,128.74x = 12,224,674,170.14
  5. Step 5: Solve for x
    x = 12,224,674,170.14/167,128.74
  6. Step 6: Final answer
    x = 73,145.25

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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.