Home / 210,114.10-289,958.31-114,622.79

Finding the Fourth Proportional to 210,114.10, 289,958.31 and 114,622.79

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Solution

The fourth proportional to 210,114.10, 289,958.31 and 114,622.79 is: 158,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,114.10 : 289,958.31 = 114,622.79 : x
  2. Step 2: Convert to fraction form
    210,114.10/289,958.31 = 114,622.79/x
  3. Step 3: Cross multiply
    210,114.10x = 289,958.31 × 114,622.79
  4. Step 4: Simplify right side
    210,114.10x = 33,235,831,200.78
  5. Step 5: Solve for x
    x = 33,235,831,200.78/210,114.10
  6. Step 6: Final answer
    x = 158,179.92

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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.