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Finding the Fourth Proportional to 173,669.80, 260,504.70 and 117,536.80

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Solution

The fourth proportional to 173,669.80, 260,504.70 and 117,536.80 is: 176,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,669.80 : 260,504.70 = 117,536.80 : x
  2. Step 2: Convert to fraction form
    173,669.80/260,504.70 = 117,536.80/x
  3. Step 3: Cross multiply
    173,669.80x = 260,504.70 × 117,536.80
  4. Step 4: Simplify right side
    173,669.80x = 30,618,888,822.96
  5. Step 5: Solve for x
    x = 30,618,888,822.96/173,669.80
  6. Step 6: Final answer
    x = 176,305.20

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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.