Home / 198,862.24-274,430.36-108,218.16

Finding the Fourth Proportional to 198,862.24, 274,430.36 and 108,218.16

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Solution

The fourth proportional to 198,862.24, 274,430.36 and 108,218.16 is: 149,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,862.24 : 274,430.36 = 108,218.16 : x
  2. Step 2: Convert to fraction form
    198,862.24/274,430.36 = 108,218.16/x
  3. Step 3: Cross multiply
    198,862.24x = 274,430.36 × 108,218.16
  4. Step 4: Simplify right side
    198,862.24x = 29,698,348,607.34
  5. Step 5: Solve for x
    x = 29,698,348,607.34/198,862.24
  6. Step 6: Final answer
    x = 149,341.32

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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.