Home / 139,052.34-208,640.70-64,132.43

Finding the Fourth Proportional to 139,052.34, 208,640.70 and 64,132.43

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Solution

The fourth proportional to 139,052.34, 208,640.70 and 64,132.43 is: 96,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,052.34 : 208,640.70 = 64,132.43 : x
  2. Step 2: Convert to fraction form
    139,052.34/208,640.70 = 64,132.43/x
  3. Step 3: Cross multiply
    139,052.34x = 208,640.70 × 64,132.43
  4. Step 4: Simplify right side
    139,052.34x = 13,380,634,044.70
  5. Step 5: Solve for x
    x = 13,380,634,044.70/139,052.34
  6. Step 6: Final answer
    x = 96,227.32

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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.