Home / 454,620.08-681,905.39-139,076.98

Finding the Fourth Proportional to 454,620.08, 681,905.39 and 139,076.98

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Solution

The fourth proportional to 454,620.08, 681,905.39 and 139,076.98 is: 208,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,620.08 : 681,905.39 = 139,076.98 : x
  2. Step 2: Convert to fraction form
    454,620.08/681,905.39 = 139,076.98/x
  3. Step 3: Cross multiply
    454,620.08x = 681,905.39 × 139,076.98
  4. Step 4: Simplify right side
    454,620.08x = 94,837,339,886.77
  5. Step 5: Solve for x
    x = 94,837,339,886.77/454,620.08
  6. Step 6: Final answer
    x = 208,607.90

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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.