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Finding the Fourth Proportional to 173,042.70, 259,612.65 and 73,250.70

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Solution

The fourth proportional to 173,042.70, 259,612.65 and 73,250.70 is: 109,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,042.70 : 259,612.65 = 73,250.70 : x
  2. Step 2: Convert to fraction form
    173,042.70/259,612.65 = 73,250.70/x
  3. Step 3: Cross multiply
    173,042.70x = 259,612.65 × 73,250.70
  4. Step 4: Simplify right side
    173,042.70x = 19,016,808,341.36
  5. Step 5: Solve for x
    x = 19,016,808,341.36/173,042.70
  6. Step 6: Final answer
    x = 109,896.62

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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.