Home / 219,116.32-302,379.92-118,514.08

Finding the Fourth Proportional to 219,116.32, 302,379.92 and 118,514.08

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Solution

The fourth proportional to 219,116.32, 302,379.92 and 118,514.08 is: 163,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,116.32 : 302,379.92 = 118,514.08 : x
  2. Step 2: Convert to fraction form
    219,116.32/302,379.92 = 118,514.08/x
  3. Step 3: Cross multiply
    219,116.32x = 302,379.92 × 118,514.08
  4. Step 4: Simplify right side
    219,116.32x = 35,836,278,029.27
  5. Step 5: Solve for x
    x = 35,836,278,029.27/219,116.32
  6. Step 6: Final answer
    x = 163,549.11

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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.