Home / 252,014.90-378,180.57-102,255.80

Finding the Fourth Proportional to 252,014.90, 378,180.57 and 102,255.80

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Solution

The fourth proportional to 252,014.90, 378,180.57 and 102,255.80 is: 153,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,014.90 : 378,180.57 = 102,255.80 : x
  2. Step 2: Convert to fraction form
    252,014.90/378,180.57 = 102,255.80/x
  3. Step 3: Cross multiply
    252,014.90x = 378,180.57 × 102,255.80
  4. Step 4: Simplify right side
    252,014.90x = 38,671,156,729.81
  5. Step 5: Solve for x
    x = 38,671,156,729.81/252,014.90
  6. Step 6: Final answer
    x = 153,447.90

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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.