Home / 117,102.42-175,653.23-28,355.85

Finding the Fourth Proportional to 117,102.42, 175,653.23 and 28,355.85

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Solution

The fourth proportional to 117,102.42, 175,653.23 and 28,355.85 is: 42,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102.42 : 175,653.23 = 28,355.85 : x
  2. Step 2: Convert to fraction form
    117,102.42/175,653.23 = 28,355.85/x
  3. Step 3: Cross multiply
    117,102.42x = 175,653.23 × 28,355.85
  4. Step 4: Simplify right side
    117,102.42x = 4,980,796,500.12
  5. Step 5: Solve for x
    x = 4,980,796,500.12/117,102.42
  6. Step 6: Final answer
    x = 42,533.68

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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.