Home / 151,647.74-209,272.43-83,665.26

Finding the Fourth Proportional to 151,647.74, 209,272.43 and 83,665.26

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Solution

The fourth proportional to 151,647.74, 209,272.43 and 83,665.26 is: 115,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,647.74 : 209,272.43 = 83,665.26 : x
  2. Step 2: Convert to fraction form
    151,647.74/209,272.43 = 83,665.26/x
  3. Step 3: Cross multiply
    151,647.74x = 209,272.43 × 83,665.26
  4. Step 4: Simplify right side
    151,647.74x = 17,508,832,266.78
  5. Step 5: Solve for x
    x = 17,508,832,266.78/151,647.74
  6. Step 6: Final answer
    x = 115,457.26

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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.