Home / 139,453.13-209,096.51-55,225.37

Finding the Fourth Proportional to 139,453.13, 209,096.51 and 55,225.37

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Solution

The fourth proportional to 139,453.13, 209,096.51 and 55,225.37 is: 82,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,453.13 : 209,096.51 = 55,225.37 : x
  2. Step 2: Convert to fraction form
    139,453.13/209,096.51 = 55,225.37/x
  3. Step 3: Cross multiply
    139,453.13x = 209,096.51 × 55,225.37
  4. Step 4: Simplify right side
    139,453.13x = 11,547,430,808.85
  5. Step 5: Solve for x
    x = 11,547,430,808.85/139,453.13
  6. Step 6: Final answer
    x = 82,805.11

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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.