Home / 229,772.36-317,114.34-129,170.36

Finding the Fourth Proportional to 229,772.36, 317,114.34 and 129,170.36

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Solution

The fourth proportional to 229,772.36, 317,114.34 and 129,170.36 is: 178,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,772.36 : 317,114.34 = 129,170.36 : x
  2. Step 2: Convert to fraction form
    229,772.36/317,114.34 = 129,170.36/x
  3. Step 3: Cross multiply
    229,772.36x = 317,114.34 × 129,170.36
  4. Step 4: Simplify right side
    229,772.36x = 40,961,773,458.96
  5. Step 5: Solve for x
    x = 40,961,773,458.96/229,772.36
  6. Step 6: Final answer
    x = 178,271.11

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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.