Home / 239,344.88-330,291.60-130,450.16

Finding the Fourth Proportional to 239,344.88, 330,291.60 and 130,450.16

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Solution

The fourth proportional to 239,344.88, 330,291.60 and 130,450.16 is: 180,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,344.88 : 330,291.60 = 130,450.16 : x
  2. Step 2: Convert to fraction form
    239,344.88/330,291.60 = 130,450.16/x
  3. Step 3: Cross multiply
    239,344.88x = 330,291.60 × 130,450.16
  4. Step 4: Simplify right side
    239,344.88x = 43,086,592,066.66
  5. Step 5: Solve for x
    x = 43,086,592,066.66/239,344.88
  6. Step 6: Final answer
    x = 180,018.86

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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.