Home / 219,109.63-302,371.31-118,507.63

Finding the Fourth Proportional to 219,109.63, 302,371.31 and 118,507.63

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Solution

The fourth proportional to 219,109.63, 302,371.31 and 118,507.63 is: 163,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,109.63 : 302,371.31 = 118,507.63 : x
  2. Step 2: Convert to fraction form
    219,109.63/302,371.31 = 118,507.63/x
  3. Step 3: Cross multiply
    219,109.63x = 302,371.31 × 118,507.63
  4. Step 4: Simplify right side
    219,109.63x = 35,833,307,328.10
  5. Step 5: Solve for x
    x = 35,833,307,328.10/219,109.63
  6. Step 6: Final answer
    x = 163,540.54

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1.5x scale

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.