Home / 226,071.12-311,966.87-130,572.12

Finding the Fourth Proportional to 226,071.12, 311,966.87 and 130,572.12

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Solution

The fourth proportional to 226,071.12, 311,966.87 and 130,572.12 is: 180,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,071.12 : 311,966.87 = 130,572.12 : x
  2. Step 2: Convert to fraction form
    226,071.12/311,966.87 = 130,572.12/x
  3. Step 3: Cross multiply
    226,071.12x = 311,966.87 × 130,572.12
  4. Step 4: Simplify right side
    226,071.12x = 40,734,174,347.87
  5. Step 5: Solve for x
    x = 40,734,174,347.87/226,071.12
  6. Step 6: Final answer
    x = 180,183.01

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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.