Home / 219,461.85-302,853.72-122,667.96

Finding the Fourth Proportional to 219,461.85, 302,853.72 and 122,667.96

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Solution

The fourth proportional to 219,461.85, 302,853.72 and 122,667.96 is: 169,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,461.85 : 302,853.72 = 122,667.96 : x
  2. Step 2: Convert to fraction form
    219,461.85/302,853.72 = 122,667.96/x
  3. Step 3: Cross multiply
    219,461.85x = 302,853.72 × 122,667.96
  4. Step 4: Simplify right side
    219,461.85x = 37,150,448,010.81
  5. Step 5: Solve for x
    x = 37,150,448,010.81/219,461.85
  6. Step 6: Final answer
    x = 169,279.75

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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.