Home / 149,212.73-223,819.11-142,733.76

Finding the Fourth Proportional to 149,212.73, 223,819.11 and 142,733.76

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Solution

The fourth proportional to 149,212.73, 223,819.11 and 142,733.76 is: 214,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,212.73 : 223,819.11 = 142,733.76 : x
  2. Step 2: Convert to fraction form
    149,212.73/223,819.11 = 142,733.76/x
  3. Step 3: Cross multiply
    149,212.73x = 223,819.11 × 142,733.76
  4. Step 4: Simplify right side
    149,212.73x = 31,946,543,130.15
  5. Step 5: Solve for x
    x = 31,946,543,130.15/149,212.73
  6. Step 6: Final answer
    x = 214,100.66

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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.