Home / 209,896.08-314,888.04-116,205.36

Finding the Fourth Proportional to 209,896.08, 314,888.04 and 116,205.36

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Solution

The fourth proportional to 209,896.08, 314,888.04 and 116,205.36 is: 174,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,896.08 : 314,888.04 = 116,205.36 : x
  2. Step 2: Convert to fraction form
    209,896.08/314,888.04 = 116,205.36/x
  3. Step 3: Cross multiply
    209,896.08x = 314,888.04 × 116,205.36
  4. Step 4: Simplify right side
    209,896.08x = 36,591,678,047.89
  5. Step 5: Solve for x
    x = 36,591,678,047.89/209,896.08
  6. Step 6: Final answer
    x = 174,332.36

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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.