Home / 226,145.20-312,040.20-130,617.04

Finding the Fourth Proportional to 226,145.20, 312,040.20 and 130,617.04

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Solution

The fourth proportional to 226,145.20, 312,040.20 and 130,617.04 is: 180,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,145.20 : 312,040.20 = 130,617.04 : x
  2. Step 2: Convert to fraction form
    226,145.20/312,040.20 = 130,617.04/x
  3. Step 3: Cross multiply
    226,145.20x = 312,040.20 × 130,617.04
  4. Step 4: Simplify right side
    226,145.20x = 40,757,767,285.01
  5. Step 5: Solve for x
    x = 40,757,767,285.01/226,145.20
  6. Step 6: Final answer
    x = 180,228.31

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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.