Home / 219,521.64-302,939.82-118,919.64

Finding the Fourth Proportional to 219,521.64, 302,939.82 and 118,919.64

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Solution

The fourth proportional to 219,521.64, 302,939.82 and 118,919.64 is: 164,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,521.64 : 302,939.82 = 118,919.64 : x
  2. Step 2: Convert to fraction form
    219,521.64/302,939.82 = 118,919.64/x
  3. Step 3: Cross multiply
    219,521.64x = 302,939.82 × 118,919.64
  4. Step 4: Simplify right side
    219,521.64x = 36,025,494,336.06
  5. Step 5: Solve for x
    x = 36,025,494,336.06/219,521.64
  6. Step 6: Final answer
    x = 164,109.08

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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.