Home / 250,193.88-345,296.52-142,779.38

Finding the Fourth Proportional to 250,193.88, 345,296.52 and 142,779.38

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Solution

The fourth proportional to 250,193.88, 345,296.52 and 142,779.38 is: 197,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,193.88 : 345,296.52 = 142,779.38 : x
  2. Step 2: Convert to fraction form
    250,193.88/345,296.52 = 142,779.38/x
  3. Step 3: Cross multiply
    250,193.88x = 345,296.52 × 142,779.38
  4. Step 4: Simplify right side
    250,193.88x = 49,301,221,315.28
  5. Step 5: Solve for x
    x = 49,301,221,315.28/250,193.88
  6. Step 6: Final answer
    x = 197,052.07

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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.