Home / 255,429.56-352,503.73-142,252.31

Finding the Fourth Proportional to 255,429.56, 352,503.73 and 142,252.31

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Solution

The fourth proportional to 255,429.56, 352,503.73 and 142,252.31 is: 196,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,429.56 : 352,503.73 = 142,252.31 : x
  2. Step 2: Convert to fraction form
    255,429.56/352,503.73 = 142,252.31/x
  3. Step 3: Cross multiply
    255,429.56x = 352,503.73 × 142,252.31
  4. Step 4: Simplify right side
    255,429.56x = 50,144,470,935.19
  5. Step 5: Solve for x
    x = 50,144,470,935.19/255,429.56
  6. Step 6: Final answer
    x = 196,314.28

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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.