Home / 302,105.13-416,896.77-166,139.08

Finding the Fourth Proportional to 302,105.13, 416,896.77 and 166,139.08

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Solution

The fourth proportional to 302,105.13, 416,896.77 and 166,139.08 is: 229,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,105.13 : 416,896.77 = 166,139.08 : x
  2. Step 2: Convert to fraction form
    302,105.13/416,896.77 = 166,139.08/x
  3. Step 3: Cross multiply
    302,105.13x = 416,896.77 × 166,139.08
  4. Step 4: Simplify right side
    302,105.13x = 69,262,845,822.77
  5. Step 5: Solve for x
    x = 69,262,845,822.77/302,105.13
  6. Step 6: Final answer
    x = 229,267.36

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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.