Home / 263,362.14-363,437.28-142,500.78

Finding the Fourth Proportional to 263,362.14, 363,437.28 and 142,500.78

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Solution

The fourth proportional to 263,362.14, 363,437.28 and 142,500.78 is: 196,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,362.14 : 363,437.28 = 142,500.78 : x
  2. Step 2: Convert to fraction form
    263,362.14/363,437.28 = 142,500.78/x
  3. Step 3: Cross multiply
    263,362.14x = 363,437.28 × 142,500.78
  4. Step 4: Simplify right side
    263,362.14x = 51,790,095,881.08
  5. Step 5: Solve for x
    x = 51,790,095,881.08/263,362.14
  6. Step 6: Final answer
    x = 196,649.74

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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.