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Finding the Fourth Proportional to 139,882.07, 210,006.02 and 83,059.73

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Solution

The fourth proportional to 139,882.07, 210,006.02 and 83,059.73 is: 124,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,882.07 : 210,006.02 = 83,059.73 : x
  2. Step 2: Convert to fraction form
    139,882.07/210,006.02 = 83,059.73/x
  3. Step 3: Cross multiply
    139,882.07x = 210,006.02 × 83,059.73
  4. Step 4: Simplify right side
    139,882.07x = 17,443,043,319.57
  5. Step 5: Solve for x
    x = 17,443,043,319.57/139,882.07
  6. Step 6: Final answer
    x = 124,698.21

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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.