Home / 152,515.40-228,902.70-122,966.60

Finding the Fourth Proportional to 152,515.40, 228,902.70 and 122,966.60

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Solution

The fourth proportional to 152,515.40, 228,902.70 and 122,966.60 is: 184,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,515.40 : 228,902.70 = 122,966.60 : x
  2. Step 2: Convert to fraction form
    152,515.40/228,902.70 = 122,966.60/x
  3. Step 3: Cross multiply
    152,515.40x = 228,902.70 × 122,966.60
  4. Step 4: Simplify right side
    152,515.40x = 28,147,386,749.82
  5. Step 5: Solve for x
    x = 28,147,386,749.82/152,515.40
  6. Step 6: Final answer
    x = 184,554.39

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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.