Home / 219,542.54-302,964.77-124,047.19

Finding the Fourth Proportional to 219,542.54, 302,964.77 and 124,047.19

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Solution

The fourth proportional to 219,542.54, 302,964.77 and 124,047.19 is: 171,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,542.54 : 302,964.77 = 124,047.19 : x
  2. Step 2: Convert to fraction form
    219,542.54/302,964.77 = 124,047.19/x
  3. Step 3: Cross multiply
    219,542.54x = 302,964.77 × 124,047.19
  4. Step 4: Simplify right side
    219,542.54x = 37,581,927,009.85
  5. Step 5: Solve for x
    x = 37,581,927,009.85/219,542.54
  6. Step 6: Final answer
    x = 171,182.89

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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.