Home / 252,155.88-347,975.24-143,260.40

Finding the Fourth Proportional to 252,155.88, 347,975.24 and 143,260.40

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Solution

The fourth proportional to 252,155.88, 347,975.24 and 143,260.40 is: 197,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,155.88 : 347,975.24 = 143,260.40 : x
  2. Step 2: Convert to fraction form
    252,155.88/347,975.24 = 143,260.40/x
  3. Step 3: Cross multiply
    252,155.88x = 347,975.24 × 143,260.40
  4. Step 4: Simplify right side
    252,155.88x = 49,851,072,226.13
  5. Step 5: Solve for x
    x = 49,851,072,226.13/252,155.88
  6. Step 6: Final answer
    x = 197,699.42

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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.