Home / 255,317.32-352,338.42-142,144.12

Finding the Fourth Proportional to 255,317.32, 352,338.42 and 142,144.12

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Solution

The fourth proportional to 255,317.32, 352,338.42 and 142,144.12 is: 196,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,317.32 : 352,338.42 = 142,144.12 : x
  2. Step 2: Convert to fraction form
    255,317.32/352,338.42 = 142,144.12/x
  3. Step 3: Cross multiply
    255,317.32x = 352,338.42 × 142,144.12
  4. Step 4: Simplify right side
    255,317.32x = 50,082,834,653.09
  5. Step 5: Solve for x
    x = 50,082,834,653.09/255,317.32
  6. Step 6: Final answer
    x = 196,159.17

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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.