Home / 111,739.23-167,614-36,865.91

Finding the Fourth Proportional to 111,739.23, 167,614 and 36,865.91

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Solution

The fourth proportional to 111,739.23, 167,614 and 36,865.91 is: 55,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,739.23 : 167,614 = 36,865.91 : x
  2. Step 2: Convert to fraction form
    111,739.23/167,614 = 36,865.91/x
  3. Step 3: Cross multiply
    111,739.23x = 167,614 × 36,865.91
  4. Step 4: Simplify right side
    111,739.23x = 6,179,242,638.74
  5. Step 5: Solve for x
    x = 6,179,242,638.74/111,739.23
  6. Step 6: Final answer
    x = 55,300.57

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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.