Home / 180,211.90-248,679.33-99,640.42

Finding the Fourth Proportional to 180,211.90, 248,679.33 and 99,640.42

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Solution

The fourth proportional to 180,211.90, 248,679.33 and 99,640.42 is: 137,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,211.90 : 248,679.33 = 99,640.42 : x
  2. Step 2: Convert to fraction form
    180,211.90/248,679.33 = 99,640.42/x
  3. Step 3: Cross multiply
    180,211.90x = 248,679.33 × 99,640.42
  4. Step 4: Simplify right side
    180,211.90x = 24,778,512,886.52
  5. Step 5: Solve for x
    x = 24,778,512,886.52/180,211.90
  6. Step 6: Final answer
    x = 137,496.54

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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.