Home / 144,317.55-199,160.48-80,659.47

Finding the Fourth Proportional to 144,317.55, 199,160.48 and 80,659.47

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Solution

The fourth proportional to 144,317.55, 199,160.48 and 80,659.47 is: 111,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,317.55 : 199,160.48 = 80,659.47 : x
  2. Step 2: Convert to fraction form
    144,317.55/199,160.48 = 80,659.47/x
  3. Step 3: Cross multiply
    144,317.55x = 199,160.48 × 80,659.47
  4. Step 4: Simplify right side
    144,317.55x = 16,064,178,358.45
  5. Step 5: Solve for x
    x = 16,064,178,358.45/144,317.55
  6. Step 6: Final answer
    x = 111,311.33

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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.