Home / 144,091.27-216,136.56-80,090.08

Finding the Fourth Proportional to 144,091.27, 216,136.56 and 80,090.08

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Solution

The fourth proportional to 144,091.27, 216,136.56 and 80,090.08 is: 120,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,091.27 : 216,136.56 = 80,090.08 : x
  2. Step 2: Convert to fraction form
    144,091.27/216,136.56 = 80,090.08/x
  3. Step 3: Cross multiply
    144,091.27x = 216,136.56 × 80,090.08
  4. Step 4: Simplify right side
    144,091.27x = 17,310,394,381.32
  5. Step 5: Solve for x
    x = 17,310,394,381.32/144,091.27
  6. Step 6: Final answer
    x = 120,134.93

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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.