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Finding the Fourth Proportional to 173,478.76, 259,813.96 and 168,690.26

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Solution

The fourth proportional to 173,478.76, 259,813.96 and 168,690.26 is: 252,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478.76 : 259,813.96 = 168,690.26 : x
  2. Step 2: Convert to fraction form
    173,478.76/259,813.96 = 168,690.26/x
  3. Step 3: Cross multiply
    173,478.76x = 259,813.96 × 168,690.26
  4. Step 4: Simplify right side
    173,478.76x = 43,828,084,691.84
  5. Step 5: Solve for x
    x = 43,828,084,691.84/173,478.76
  6. Step 6: Final answer
    x = 252,642.37

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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.