Home / 140,042.52-210,063.38-60,028.56

Finding the Fourth Proportional to 140,042.52, 210,063.38 and 60,028.56

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Solution

The fourth proportional to 140,042.52, 210,063.38 and 60,028.56 is: 90,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,042.52 : 210,063.38 = 60,028.56 : x
  2. Step 2: Convert to fraction form
    140,042.52/210,063.38 = 60,028.56/x
  3. Step 3: Cross multiply
    140,042.52x = 210,063.38 × 60,028.56
  4. Step 4: Simplify right side
    140,042.52x = 12,609,801,909.99
  5. Step 5: Solve for x
    x = 12,609,801,909.99/140,042.52
  6. Step 6: Final answer
    x = 90,042.67

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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.