Home / 255,217.08-352,193.58-142,037.40

Finding the Fourth Proportional to 255,217.08, 352,193.58 and 142,037.40

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Solution

The fourth proportional to 255,217.08, 352,193.58 and 142,037.40 is: 196,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,217.08 : 352,193.58 = 142,037.40 : x
  2. Step 2: Convert to fraction form
    255,217.08/352,193.58 = 142,037.40/x
  3. Step 3: Cross multiply
    255,217.08x = 352,193.58 × 142,037.40
  4. Step 4: Simplify right side
    255,217.08x = 50,024,660,399.89
  5. Step 5: Solve for x
    x = 50,024,660,399.89/255,217.08
  6. Step 6: Final answer
    x = 196,008.28

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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.