Home / 219,566.90-302,998.38-124,071.54

Finding the Fourth Proportional to 219,566.90, 302,998.38 and 124,071.54

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Solution

The fourth proportional to 219,566.90, 302,998.38 and 124,071.54 is: 171,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,566.90 : 302,998.38 = 124,071.54 : x
  2. Step 2: Convert to fraction form
    219,566.90/302,998.38 = 124,071.54/x
  3. Step 3: Cross multiply
    219,566.90x = 302,998.38 × 124,071.54
  4. Step 4: Simplify right side
    219,566.90x = 37,593,475,624.11
  5. Step 5: Solve for x
    x = 37,593,475,624.11/219,566.90
  6. Step 6: Final answer
    x = 171,216.50

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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.