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Finding the Fourth Proportional to 114,622.40, 171,957.90 and 34,653.80

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Solution

The fourth proportional to 114,622.40, 171,957.90 and 34,653.80 is: 51,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,622.40 : 171,957.90 = 34,653.80 : x
  2. Step 2: Convert to fraction form
    114,622.40/171,957.90 = 34,653.80/x
  3. Step 3: Cross multiply
    114,622.40x = 171,957.90 × 34,653.80
  4. Step 4: Simplify right side
    114,622.40x = 5,958,994,675.02
  5. Step 5: Solve for x
    x = 5,958,994,675.02/114,622.40
  6. Step 6: Final answer
    x = 51,988.05

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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.