Home / 144,666.69-199,635.50-80,133.33

Finding the Fourth Proportional to 144,666.69, 199,635.50 and 80,133.33

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Solution

The fourth proportional to 144,666.69, 199,635.50 and 80,133.33 is: 110,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,666.69 : 199,635.50 = 80,133.33 : x
  2. Step 2: Convert to fraction form
    144,666.69/199,635.50 = 80,133.33/x
  3. Step 3: Cross multiply
    144,666.69x = 199,635.50 × 80,133.33
  4. Step 4: Simplify right side
    144,666.69x = 15,997,457,000.55
  5. Step 5: Solve for x
    x = 15,997,457,000.55/144,666.69
  6. Step 6: Final answer
    x = 110,581.48

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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.