Home / 168,834.36-253,158.02-69,064.60

Finding the Fourth Proportional to 168,834.36, 253,158.02 and 69,064.60

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Solution

The fourth proportional to 168,834.36, 253,158.02 and 69,064.60 is: 103,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,834.36 : 253,158.02 = 69,064.60 : x
  2. Step 2: Convert to fraction form
    168,834.36/253,158.02 = 69,064.60/x
  3. Step 3: Cross multiply
    168,834.36x = 253,158.02 × 69,064.60
  4. Step 4: Simplify right side
    168,834.36x = 17,484,257,388.09
  5. Step 5: Solve for x
    x = 17,484,257,388.09/168,834.36
  6. Step 6: Final answer
    x = 103,558.64

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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.