Home / 212,638.14-318,738.15-94,365.18

Finding the Fourth Proportional to 212,638.14, 318,738.15 and 94,365.18

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Solution

The fourth proportional to 212,638.14, 318,738.15 and 94,365.18 is: 141,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,638.14 : 318,738.15 = 94,365.18 : x
  2. Step 2: Convert to fraction form
    212,638.14/318,738.15 = 94,365.18/x
  3. Step 3: Cross multiply
    212,638.14x = 318,738.15 × 94,365.18
  4. Step 4: Simplify right side
    212,638.14x = 30,077,782,897.62
  5. Step 5: Solve for x
    x = 30,077,782,897.62/212,638.14
  6. Step 6: Final answer
    x = 141,450.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.