Home / 217,037.40-325,118.70-146,178.60

Finding the Fourth Proportional to 217,037.40, 325,118.70 and 146,178.60

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Solution

The fourth proportional to 217,037.40, 325,118.70 and 146,178.60 is: 218,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,037.40 : 325,118.70 = 146,178.60 : x
  2. Step 2: Convert to fraction form
    217,037.40/325,118.70 = 146,178.60/x
  3. Step 3: Cross multiply
    217,037.40x = 325,118.70 × 146,178.60
  4. Step 4: Simplify right side
    217,037.40x = 47,525,396,399.82
  5. Step 5: Solve for x
    x = 47,525,396,399.82/217,037.40
  6. Step 6: Final answer
    x = 218,973.30

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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.