Home / 255,725.28-352,905.36-142,535.76

Finding the Fourth Proportional to 255,725.28, 352,905.36 and 142,535.76

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Solution

The fourth proportional to 255,725.28, 352,905.36 and 142,535.76 is: 196,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,725.28 : 352,905.36 = 142,535.76 : x
  2. Step 2: Convert to fraction form
    255,725.28/352,905.36 = 142,535.76/x
  3. Step 3: Cross multiply
    255,725.28x = 352,905.36 × 142,535.76
  4. Step 4: Simplify right side
    255,725.28x = 50,301,633,695.67
  5. Step 5: Solve for x
    x = 50,301,633,695.67/255,725.28
  6. Step 6: Final answer
    x = 196,701.84

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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.