Home / 172,705.04-258,682.59-83,771.63

Finding the Fourth Proportional to 172,705.04, 258,682.59 and 83,771.63

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Solution

The fourth proportional to 172,705.04, 258,682.59 and 83,771.63 is: 125,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,705.04 : 258,682.59 = 83,771.63 : x
  2. Step 2: Convert to fraction form
    172,705.04/258,682.59 = 83,771.63/x
  3. Step 3: Cross multiply
    172,705.04x = 258,682.59 × 83,771.63
  4. Step 4: Simplify right side
    172,705.04x = 21,670,262,216.92
  5. Step 5: Solve for x
    x = 21,670,262,216.92/172,705.04
  6. Step 6: Final answer
    x = 125,475.56

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1.5x scale

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.