Home / 250,728.04-345,920.54-143,221.95

Finding the Fourth Proportional to 250,728.04, 345,920.54 and 143,221.95

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Solution

The fourth proportional to 250,728.04, 345,920.54 and 143,221.95 is: 197,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,728.04 : 345,920.54 = 143,221.95 : x
  2. Step 2: Convert to fraction form
    250,728.04/345,920.54 = 143,221.95/x
  3. Step 3: Cross multiply
    250,728.04x = 345,920.54 × 143,221.95
  4. Step 4: Simplify right side
    250,728.04x = 49,543,413,567.74
  5. Step 5: Solve for x
    x = 49,543,413,567.74/250,728.04
  6. Step 6: Final answer
    x = 197,598.22

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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.