Home / 219,540.32-302,965.96-118,938.32

Finding the Fourth Proportional to 219,540.32, 302,965.96 and 118,938.32

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Solution

The fourth proportional to 219,540.32, 302,965.96 and 118,938.32 is: 164,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,540.32 : 302,965.96 = 118,938.32 : x
  2. Step 2: Convert to fraction form
    219,540.32/302,965.96 = 118,938.32/x
  3. Step 3: Cross multiply
    219,540.32x = 302,965.96 × 118,938.32
  4. Step 4: Simplify right side
    219,540.32x = 36,034,262,299.59
  5. Step 5: Solve for x
    x = 36,034,262,299.59/219,540.32
  6. Step 6: Final answer
    x = 164,135.05

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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.