Home / 159,146.85-238,735.86-57,972.40

Finding the Fourth Proportional to 159,146.85, 238,735.86 and 57,972.40

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Solution

The fourth proportional to 159,146.85, 238,735.86 and 57,972.40 is: 86,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,146.85 : 238,735.86 = 57,972.40 : x
  2. Step 2: Convert to fraction form
    159,146.85/238,735.86 = 57,972.40/x
  3. Step 3: Cross multiply
    159,146.85x = 238,735.86 × 57,972.40
  4. Step 4: Simplify right side
    159,146.85x = 13,840,089,987.16
  5. Step 5: Solve for x
    x = 13,840,089,987.16/159,146.85
  6. Step 6: Final answer
    x = 86,964.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.