Home / 210,015.75-289,829.04-119,375.55

Finding the Fourth Proportional to 210,015.75, 289,829.04 and 119,375.55

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Solution

The fourth proportional to 210,015.75, 289,829.04 and 119,375.55 is: 164,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,015.75 : 289,829.04 = 119,375.55 : x
  2. Step 2: Convert to fraction form
    210,015.75/289,829.04 = 119,375.55/x
  3. Step 3: Cross multiply
    210,015.75x = 289,829.04 × 119,375.55
  4. Step 4: Simplify right side
    210,015.75x = 34,598,501,055.97
  5. Step 5: Solve for x
    x = 34,598,501,055.97/210,015.75
  6. Step 6: Final answer
    x = 164,742.41

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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.