Home / 144,053.22-198,812.25-80,404.23

Finding the Fourth Proportional to 144,053.22, 198,812.25 and 80,404.23

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Solution

The fourth proportional to 144,053.22, 198,812.25 and 80,404.23 is: 110,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.22 : 198,812.25 = 80,404.23 : x
  2. Step 2: Convert to fraction form
    144,053.22/198,812.25 = 80,404.23/x
  3. Step 3: Cross multiply
    144,053.22x = 198,812.25 × 80,404.23
  4. Step 4: Simplify right side
    144,053.22x = 15,985,345,875.82
  5. Step 5: Solve for x
    x = 15,985,345,875.82/144,053.22
  6. Step 6: Final answer
    x = 110,968.33

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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.