Home / 263,727.95-363,944.18-142,869.72

Finding the Fourth Proportional to 263,727.95, 363,944.18 and 142,869.72

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Solution

The fourth proportional to 263,727.95, 363,944.18 and 142,869.72 is: 197,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,727.95 : 363,944.18 = 142,869.72 : x
  2. Step 2: Convert to fraction form
    263,727.95/363,944.18 = 142,869.72/x
  3. Step 3: Cross multiply
    263,727.95x = 363,944.18 × 142,869.72
  4. Step 4: Simplify right side
    263,727.95x = 51,996,602,377.88
  5. Step 5: Solve for x
    x = 51,996,602,377.88/263,727.95
  6. Step 6: Final answer
    x = 197,160.00

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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.