Home / 165,428.60-248,224.94-65,586.57

Finding the Fourth Proportional to 165,428.60, 248,224.94 and 65,586.57

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Solution

The fourth proportional to 165,428.60, 248,224.94 and 65,586.57 is: 98,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,428.60 : 248,224.94 = 65,586.57 : x
  2. Step 2: Convert to fraction form
    165,428.60/248,224.94 = 65,586.57/x
  3. Step 3: Cross multiply
    165,428.60x = 248,224.94 × 65,586.57
  4. Step 4: Simplify right side
    165,428.60x = 16,280,222,075.12
  5. Step 5: Solve for x
    x = 16,280,222,075.12/165,428.60
  6. Step 6: Final answer
    x = 98,412.38

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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.