Home / 219,085.42-302,351.88-123,557.26

Finding the Fourth Proportional to 219,085.42, 302,351.88 and 123,557.26

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Solution

The fourth proportional to 219,085.42, 302,351.88 and 123,557.26 is: 170,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,085.42 : 302,351.88 = 123,557.26 : x
  2. Step 2: Convert to fraction form
    219,085.42/302,351.88 = 123,557.26/x
  3. Step 3: Cross multiply
    219,085.42x = 302,351.88 × 123,557.26
  4. Step 4: Simplify right side
    219,085.42x = 37,357,769,848.65
  5. Step 5: Solve for x
    x = 37,357,769,848.65/219,085.42
  6. Step 6: Final answer
    x = 170,516.91

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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.