Home / 263,579.64-363,740.58-142,722.42

Finding the Fourth Proportional to 263,579.64, 363,740.58 and 142,722.42

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Solution

The fourth proportional to 263,579.64, 363,740.58 and 142,722.42 is: 196,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,579.64 : 363,740.58 = 142,722.42 : x
  2. Step 2: Convert to fraction form
    263,579.64/363,740.58 = 142,722.42/x
  3. Step 3: Cross multiply
    263,579.64x = 363,740.58 × 142,722.42
  4. Step 4: Simplify right side
    263,579.64x = 51,913,935,829.80
  5. Step 5: Solve for x
    x = 51,913,935,829.80/263,579.64
  6. Step 6: Final answer
    x = 196,957.31

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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.