Home / 152,164.24-209,968.14-84,172.12

Finding the Fourth Proportional to 152,164.24, 209,968.14 and 84,172.12

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Solution

The fourth proportional to 152,164.24, 209,968.14 and 84,172.12 is: 116,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,164.24 : 209,968.14 = 84,172.12 : x
  2. Step 2: Convert to fraction form
    152,164.24/209,968.14 = 84,172.12/x
  3. Step 3: Cross multiply
    152,164.24x = 209,968.14 × 84,172.12
  4. Step 4: Simplify right side
    152,164.24x = 17,673,463,476.26
  5. Step 5: Solve for x
    x = 17,673,463,476.26/152,164.24
  6. Step 6: Final answer
    x = 116,147.29

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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.