Home / 250,127.82-345,176.02-135,405.90

Finding the Fourth Proportional to 250,127.82, 345,176.02 and 135,405.90

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Solution

The fourth proportional to 250,127.82, 345,176.02 and 135,405.90 is: 186,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,127.82 : 345,176.02 = 135,405.90 : x
  2. Step 2: Convert to fraction form
    250,127.82/345,176.02 = 135,405.90/x
  3. Step 3: Cross multiply
    250,127.82x = 345,176.02 × 135,405.90
  4. Step 4: Simplify right side
    250,127.82x = 46,738,869,646.52
  5. Step 5: Solve for x
    x = 46,738,869,646.52/250,127.82
  6. Step 6: Final answer
    x = 186,859.94

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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.