Home / 257,219.22-354,961.83-142,498.08

Finding the Fourth Proportional to 257,219.22, 354,961.83 and 142,498.08

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Solution

The fourth proportional to 257,219.22, 354,961.83 and 142,498.08 is: 196,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,219.22 : 354,961.83 = 142,498.08 : x
  2. Step 2: Convert to fraction form
    257,219.22/354,961.83 = 142,498.08/x
  3. Step 3: Cross multiply
    257,219.22x = 354,961.83 × 142,498.08
  4. Step 4: Simplify right side
    257,219.22x = 50,581,379,248.29
  5. Step 5: Solve for x
    x = 50,581,379,248.29/257,219.22
  6. Step 6: Final answer
    x = 196,646.97

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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.