Home / 96,172.20-143,999.10-69,733.80

Finding the Fourth Proportional to 96,172.20, 143,999.10 and 69,733.80

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Solution

The fourth proportional to 96,172.20, 143,999.10 and 69,733.80 is: 104,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,172.20 : 143,999.10 = 69,733.80 : x
  2. Step 2: Convert to fraction form
    96,172.20/143,999.10 = 69,733.80/x
  3. Step 3: Cross multiply
    96,172.20x = 143,999.10 × 69,733.80
  4. Step 4: Simplify right side
    96,172.20x = 10,041,604,439.58
  5. Step 5: Solve for x
    x = 10,041,604,439.58/96,172.20
  6. Step 6: Final answer
    x = 104,412.76

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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.