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Finding the Fourth Proportional to 173,694.20, 260,555.70 and 55,362.20

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Solution

The fourth proportional to 173,694.20, 260,555.70 and 55,362.20 is: 83,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,694.20 : 260,555.70 = 55,362.20 : x
  2. Step 2: Convert to fraction form
    173,694.20/260,555.70 = 55,362.20/x
  3. Step 3: Cross multiply
    173,694.20x = 260,555.70 × 55,362.20
  4. Step 4: Simplify right side
    173,694.20x = 14,424,936,774.54
  5. Step 5: Solve for x
    x = 14,424,936,774.54/173,694.20
  6. Step 6: Final answer
    x = 83,047.89

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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.