Home / 255,530.49-352,639.08-142,353.24

Finding the Fourth Proportional to 255,530.49, 352,639.08 and 142,353.24

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Solution

The fourth proportional to 255,530.49, 352,639.08 and 142,353.24 is: 196,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,530.49 : 352,639.08 = 142,353.24 : x
  2. Step 2: Convert to fraction form
    255,530.49/352,639.08 = 142,353.24/x
  3. Step 3: Cross multiply
    255,530.49x = 352,639.08 × 142,353.24
  4. Step 4: Simplify right side
    255,530.49x = 50,199,315,588.62
  5. Step 5: Solve for x
    x = 50,199,315,588.62/255,530.49
  6. Step 6: Final answer
    x = 196,451.37

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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.