Home / 226,147.58-312,061.55-130,652.22

Finding the Fourth Proportional to 226,147.58, 312,061.55 and 130,652.22

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Solution

The fourth proportional to 226,147.58, 312,061.55 and 130,652.22 is: 180,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,147.58 : 312,061.55 = 130,652.22 : x
  2. Step 2: Convert to fraction form
    226,147.58/312,061.55 = 130,652.22/x
  3. Step 3: Cross multiply
    226,147.58x = 312,061.55 × 130,652.22
  4. Step 4: Simplify right side
    226,147.58x = 40,771,533,630.88
  5. Step 5: Solve for x
    x = 40,771,533,630.88/226,147.58
  6. Step 6: Final answer
    x = 180,287.29

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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.