Home / 139,961.40-209,878.92-40,098.74

Finding the Fourth Proportional to 139,961.40, 209,878.92 and 40,098.74

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Solution

The fourth proportional to 139,961.40, 209,878.92 and 40,098.74 is: 60,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,961.40 : 209,878.92 = 40,098.74 : x
  2. Step 2: Convert to fraction form
    139,961.40/209,878.92 = 40,098.74/x
  3. Step 3: Cross multiply
    139,961.40x = 209,878.92 × 40,098.74
  4. Step 4: Simplify right side
    139,961.40x = 8,415,879,195.17
  5. Step 5: Solve for x
    x = 8,415,879,195.17/139,961.40
  6. Step 6: Final answer
    x = 60,130.00

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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.