Home / 263,685.32-363,885.81-142,826.23

Finding the Fourth Proportional to 263,685.32, 363,885.81 and 142,826.23

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Solution

The fourth proportional to 263,685.32, 363,885.81 and 142,826.23 is: 197,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,685.32 : 363,885.81 = 142,826.23 : x
  2. Step 2: Convert to fraction form
    263,685.32/363,885.81 = 142,826.23/x
  3. Step 3: Cross multiply
    263,685.32x = 363,885.81 × 142,826.23
  4. Step 4: Simplify right side
    263,685.32x = 51,972,438,392.80
  5. Step 5: Solve for x
    x = 51,972,438,392.80/263,685.32
  6. Step 6: Final answer
    x = 197,100.24

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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.