Home / 212,660.72-293,477.07-130,958.04

Finding the Fourth Proportional to 212,660.72, 293,477.07 and 130,958.04

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Solution

The fourth proportional to 212,660.72, 293,477.07 and 130,958.04 is: 180,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,660.72 : 293,477.07 = 130,958.04 : x
  2. Step 2: Convert to fraction form
    212,660.72/293,477.07 = 130,958.04/x
  3. Step 3: Cross multiply
    212,660.72x = 293,477.07 × 130,958.04
  4. Step 4: Simplify right side
    212,660.72x = 38,433,181,872.14
  5. Step 5: Solve for x
    x = 38,433,181,872.14/212,660.72
  6. Step 6: Final answer
    x = 180,725.34

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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.