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Finding the Fourth Proportional to 172,541.58, 258,853.83 and 54,212.83

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Solution

The fourth proportional to 172,541.58, 258,853.83 and 54,212.83 is: 81,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,541.58 : 258,853.83 = 54,212.83 : x
  2. Step 2: Convert to fraction form
    172,541.58/258,853.83 = 54,212.83/x
  3. Step 3: Cross multiply
    172,541.58x = 258,853.83 × 54,212.83
  4. Step 4: Simplify right side
    172,541.58x = 14,033,197,830.21
  5. Step 5: Solve for x
    x = 14,033,197,830.21/172,541.58
  6. Step 6: Final answer
    x = 81,332.27

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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.