Home / 250,426.41-345,589.50-135,705.30

Finding the Fourth Proportional to 250,426.41, 345,589.50 and 135,705.30

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Solution

The fourth proportional to 250,426.41, 345,589.50 and 135,705.30 is: 187,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,426.41 : 345,589.50 = 135,705.30 : x
  2. Step 2: Convert to fraction form
    250,426.41/345,589.50 = 135,705.30/x
  3. Step 3: Cross multiply
    250,426.41x = 345,589.50 × 135,705.30
  4. Step 4: Simplify right side
    250,426.41x = 46,898,326,774.35
  5. Step 5: Solve for x
    x = 46,898,326,774.35/250,426.41
  6. Step 6: Final answer
    x = 187,273.89

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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.