Home / 154,488.47-231,757.81-47,847.51

Finding the Fourth Proportional to 154,488.47, 231,757.81 and 47,847.51

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Solution

The fourth proportional to 154,488.47, 231,757.81 and 47,847.51 is: 71,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.47 : 231,757.81 = 47,847.51 : x
  2. Step 2: Convert to fraction form
    154,488.47/231,757.81 = 47,847.51/x
  3. Step 3: Cross multiply
    154,488.47x = 231,757.81 × 47,847.51
  4. Step 4: Simplify right side
    154,488.47x = 11,089,034,011.93
  5. Step 5: Solve for x
    x = 11,089,034,011.93/154,488.47
  6. Step 6: Final answer
    x = 71,779.04

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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.