Home / 263,731.41-363,947.85-142,875.05

Finding the Fourth Proportional to 263,731.41, 363,947.85 and 142,875.05

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Solution

The fourth proportional to 263,731.41, 363,947.85 and 142,875.05 is: 197,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,731.41 : 363,947.85 = 142,875.05 : x
  2. Step 2: Convert to fraction form
    263,731.41/363,947.85 = 142,875.05/x
  3. Step 3: Cross multiply
    263,731.41x = 363,947.85 × 142,875.05
  4. Step 4: Simplify right side
    263,731.41x = 51,999,065,446.40
  5. Step 5: Solve for x
    x = 51,999,065,446.40/263,731.41
  6. Step 6: Final answer
    x = 197,166.75

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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.