Home / 172,922.20-258,605.70-144,928.60

Finding the Fourth Proportional to 172,922.20, 258,605.70 and 144,928.60

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Solution

The fourth proportional to 172,922.20, 258,605.70 and 144,928.60 is: 216,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,922.20 : 258,605.70 = 144,928.60 : x
  2. Step 2: Convert to fraction form
    172,922.20/258,605.70 = 144,928.60/x
  3. Step 3: Cross multiply
    172,922.20x = 258,605.70 × 144,928.60
  4. Step 4: Simplify right side
    172,922.20x = 37,479,362,053.02
  5. Step 5: Solve for x
    x = 37,479,362,053.02/172,922.20
  6. Step 6: Final answer
    x = 216,741.18

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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.