Home / 155,739.50-233,638.44-72,633.50

Finding the Fourth Proportional to 155,739.50, 233,638.44 and 72,633.50

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Solution

The fourth proportional to 155,739.50, 233,638.44 and 72,633.50 is: 108,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,739.50 : 233,638.44 = 72,633.50 : x
  2. Step 2: Convert to fraction form
    155,739.50/233,638.44 = 72,633.50/x
  3. Step 3: Cross multiply
    155,739.50x = 233,638.44 × 72,633.50
  4. Step 4: Simplify right side
    155,739.50x = 16,969,977,631.74
  5. Step 5: Solve for x
    x = 16,969,977,631.74/155,739.50
  6. Step 6: Final answer
    x = 108,963.86

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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.