Home / 172,276.24-258,393.85-45,925.96

Finding the Fourth Proportional to 172,276.24, 258,393.85 and 45,925.96

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Solution

The fourth proportional to 172,276.24, 258,393.85 and 45,925.96 is: 68,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,276.24 : 258,393.85 = 45,925.96 : x
  2. Step 2: Convert to fraction form
    172,276.24/258,393.85 = 45,925.96/x
  3. Step 3: Cross multiply
    172,276.24x = 258,393.85 × 45,925.96
  4. Step 4: Simplify right side
    172,276.24x = 11,866,985,619.35
  5. Step 5: Solve for x
    x = 11,866,985,619.35/172,276.24
  6. Step 6: Final answer
    x = 68,883.47

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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.