Home / 209,571.24-289,199.63-118,925.36

Finding the Fourth Proportional to 209,571.24, 289,199.63 and 118,925.36

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Solution

The fourth proportional to 209,571.24, 289,199.63 and 118,925.36 is: 164,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,571.24 : 289,199.63 = 118,925.36 : x
  2. Step 2: Convert to fraction form
    209,571.24/289,199.63 = 118,925.36/x
  3. Step 3: Cross multiply
    209,571.24x = 289,199.63 × 118,925.36
  4. Step 4: Simplify right side
    209,571.24x = 34,393,170,109.62
  5. Step 5: Solve for x
    x = 34,393,170,109.62/209,571.24
  6. Step 6: Final answer
    x = 164,112.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.