Home / 159,487.23-239,255.05-54,281.60

Finding the Fourth Proportional to 159,487.23, 239,255.05 and 54,281.60

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Solution

The fourth proportional to 159,487.23, 239,255.05 and 54,281.60 is: 81,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487.23 : 239,255.05 = 54,281.60 : x
  2. Step 2: Convert to fraction form
    159,487.23/239,255.05 = 54,281.60/x
  3. Step 3: Cross multiply
    159,487.23x = 239,255.05 × 54,281.60
  4. Step 4: Simplify right side
    159,487.23x = 12,987,146,922.08
  5. Step 5: Solve for x
    x = 12,987,146,922.08/159,487.23
  6. Step 6: Final answer
    x = 81,430.64

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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.