Home / 139,740.33-209,610.58-44,970.49

Finding the Fourth Proportional to 139,740.33, 209,610.58 and 44,970.49

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Solution

The fourth proportional to 139,740.33, 209,610.58 and 44,970.49 is: 67,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,740.33 : 209,610.58 = 44,970.49 : x
  2. Step 2: Convert to fraction form
    139,740.33/209,610.58 = 44,970.49/x
  3. Step 3: Cross multiply
    139,740.33x = 209,610.58 × 44,970.49
  4. Step 4: Simplify right side
    139,740.33x = 9,426,290,491.78
  5. Step 5: Solve for x
    x = 9,426,290,491.78/139,740.33
  6. Step 6: Final answer
    x = 67,455.76

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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.