Home / 159,986.56-239,979.84-61,421.44

Finding the Fourth Proportional to 159,986.56, 239,979.84 and 61,421.44

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Solution

The fourth proportional to 159,986.56, 239,979.84 and 61,421.44 is: 92,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,986.56 : 239,979.84 = 61,421.44 : x
  2. Step 2: Convert to fraction form
    159,986.56/239,979.84 = 61,421.44/x
  3. Step 3: Cross multiply
    159,986.56x = 239,979.84 × 61,421.44
  4. Step 4: Simplify right side
    159,986.56x = 14,739,907,343.77
  5. Step 5: Solve for x
    x = 14,739,907,343.77/159,986.56
  6. Step 6: Final answer
    x = 92,132.16

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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.