Home / 219,110.38-302,372.34-118,508.38

Finding the Fourth Proportional to 219,110.38, 302,372.34 and 118,508.38

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Solution

The fourth proportional to 219,110.38, 302,372.34 and 118,508.38 is: 163,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,110.38 : 302,372.34 = 118,508.38 : x
  2. Step 2: Convert to fraction form
    219,110.38/302,372.34 = 118,508.38/x
  3. Step 3: Cross multiply
    219,110.38x = 302,372.34 × 118,508.38
  4. Step 4: Simplify right side
    219,110.38x = 35,833,656,170.21
  5. Step 5: Solve for x
    x = 35,833,656,170.21/219,110.38
  6. Step 6: Final answer
    x = 163,541.57

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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.