Home / 172,346.36-258,519.57-45,987.09

Finding the Fourth Proportional to 172,346.36, 258,519.57 and 45,987.09

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Solution

The fourth proportional to 172,346.36, 258,519.57 and 45,987.09 is: 68,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,346.36 : 258,519.57 = 45,987.09 : x
  2. Step 2: Convert to fraction form
    172,346.36/258,519.57 = 45,987.09/x
  3. Step 3: Cross multiply
    172,346.36x = 258,519.57 × 45,987.09
  4. Step 4: Simplify right side
    172,346.36x = 11,888,563,432.64
  5. Step 5: Solve for x
    x = 11,888,563,432.64/172,346.36
  6. Step 6: Final answer
    x = 68,980.65

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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.