Home / 250,189.48-345,228.78-142,752.52

Finding the Fourth Proportional to 250,189.48, 345,228.78 and 142,752.52

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Solution

The fourth proportional to 250,189.48, 345,228.78 and 142,752.52 is: 196,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,189.48 : 345,228.78 = 142,752.52 : x
  2. Step 2: Convert to fraction form
    250,189.48/345,228.78 = 142,752.52/x
  3. Step 3: Cross multiply
    250,189.48x = 345,228.78 × 142,752.52
  4. Step 4: Simplify right side
    250,189.48x = 49,282,278,321.53
  5. Step 5: Solve for x
    x = 49,282,278,321.53/250,189.48
  6. Step 6: Final answer
    x = 196,979.82

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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.