Home / 255,448.54-352,529.94-142,271.32

Finding the Fourth Proportional to 255,448.54, 352,529.94 and 142,271.32

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Solution

The fourth proportional to 255,448.54, 352,529.94 and 142,271.32 is: 196,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,448.54 : 352,529.94 = 142,271.32 : x
  2. Step 2: Convert to fraction form
    255,448.54/352,529.94 = 142,271.32/x
  3. Step 3: Cross multiply
    255,448.54x = 352,529.94 × 142,271.32
  4. Step 4: Simplify right side
    255,448.54x = 50,154,899,903.32
  5. Step 5: Solve for x
    x = 50,154,899,903.32/255,448.54
  6. Step 6: Final answer
    x = 196,340.52

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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.