Home / 231,980.10-320,159.19-130,033.14

Finding the Fourth Proportional to 231,980.10, 320,159.19 and 130,033.14

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Solution

The fourth proportional to 231,980.10, 320,159.19 and 130,033.14 is: 179,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,980.10 : 320,159.19 = 130,033.14 : x
  2. Step 2: Convert to fraction form
    231,980.10/320,159.19 = 130,033.14/x
  3. Step 3: Cross multiply
    231,980.10x = 320,159.19 × 130,033.14
  4. Step 4: Simplify right side
    231,980.10x = 41,631,304,775.56
  5. Step 5: Solve for x
    x = 41,631,304,775.56/231,980.10
  6. Step 6: Final answer
    x = 179,460.67

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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.