Home / 144,537.69-199,457.01-80,009.74

Finding the Fourth Proportional to 144,537.69, 199,457.01 and 80,009.74

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Solution

The fourth proportional to 144,537.69, 199,457.01 and 80,009.74 is: 110,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,537.69 : 199,457.01 = 80,009.74 : x
  2. Step 2: Convert to fraction form
    144,537.69/199,457.01 = 80,009.74/x
  3. Step 3: Cross multiply
    144,537.69x = 199,457.01 × 80,009.74
  4. Step 4: Simplify right side
    144,537.69x = 15,958,503,511.28
  5. Step 5: Solve for x
    x = 15,958,503,511.28/144,537.69
  6. Step 6: Final answer
    x = 110,410.67

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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.