Home / 167,869.40-251,804.10-129,815.60

Finding the Fourth Proportional to 167,869.40, 251,804.10 and 129,815.60

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Solution

The fourth proportional to 167,869.40, 251,804.10 and 129,815.60 is: 194,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,869.40 : 251,804.10 = 129,815.60 : x
  2. Step 2: Convert to fraction form
    167,869.40/251,804.10 = 129,815.60/x
  3. Step 3: Cross multiply
    167,869.40x = 251,804.10 × 129,815.60
  4. Step 4: Simplify right side
    167,869.40x = 32,688,100,323.96
  5. Step 5: Solve for x
    x = 32,688,100,323.96/167,869.40
  6. Step 6: Final answer
    x = 194,723.40

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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.