Home / 257,196.46-354,923.08-142,470.50

Finding the Fourth Proportional to 257,196.46, 354,923.08 and 142,470.50

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Solution

The fourth proportional to 257,196.46, 354,923.08 and 142,470.50 is: 196,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,196.46 : 354,923.08 = 142,470.50 : x
  2. Step 2: Convert to fraction form
    257,196.46/354,923.08 = 142,470.50/x
  3. Step 3: Cross multiply
    257,196.46x = 354,923.08 × 142,470.50
  4. Step 4: Simplify right side
    257,196.46x = 50,566,068,669.14
  5. Step 5: Solve for x
    x = 50,566,068,669.14/257,196.46
  6. Step 6: Final answer
    x = 196,604.84

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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.