Home / 210,072.96-289,900.48-114,579.36

Finding the Fourth Proportional to 210,072.96, 289,900.48 and 114,579.36

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Solution

The fourth proportional to 210,072.96, 289,900.48 and 114,579.36 is: 158,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,072.96 : 289,900.48 = 114,579.36 : x
  2. Step 2: Convert to fraction form
    210,072.96/289,900.48 = 114,579.36/x
  3. Step 3: Cross multiply
    210,072.96x = 289,900.48 × 114,579.36
  4. Step 4: Simplify right side
    210,072.96x = 33,216,611,462.09
  5. Step 5: Solve for x
    x = 33,216,611,462.09/210,072.96
  6. Step 6: Final answer
    x = 158,119.41

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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.