Home / 166,315.87-229,591.43-105,969.25

Finding the Fourth Proportional to 166,315.87, 229,591.43 and 105,969.25

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Solution

The fourth proportional to 166,315.87, 229,591.43 and 105,969.25 is: 146,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,315.87 : 229,591.43 = 105,969.25 : x
  2. Step 2: Convert to fraction form
    166,315.87/229,591.43 = 105,969.25/x
  3. Step 3: Cross multiply
    166,315.87x = 229,591.43 × 105,969.25
  4. Step 4: Simplify right side
    166,315.87x = 24,329,631,643.53
  5. Step 5: Solve for x
    x = 24,329,631,643.53/166,315.87
  6. Step 6: Final answer
    x = 146,285.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.