Home / 139,655.82-209,516.54-46,161.57

Finding the Fourth Proportional to 139,655.82, 209,516.54 and 46,161.57

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Solution

The fourth proportional to 139,655.82, 209,516.54 and 46,161.57 is: 69,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655.82 : 209,516.54 = 46,161.57 : x
  2. Step 2: Convert to fraction form
    139,655.82/209,516.54 = 46,161.57/x
  3. Step 3: Cross multiply
    139,655.82x = 209,516.54 × 46,161.57
  4. Step 4: Simplify right side
    139,655.82x = 9,671,612,427.37
  5. Step 5: Solve for x
    x = 9,671,612,427.37/139,655.82
  6. Step 6: Final answer
    x = 69,253.20

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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.