Home / 250,158.80-345,219.24-135,437.43

Finding the Fourth Proportional to 250,158.80, 345,219.24 and 135,437.43

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Solution

The fourth proportional to 250,158.80, 345,219.24 and 135,437.43 is: 186,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.80 : 345,219.24 = 135,437.43 : x
  2. Step 2: Convert to fraction form
    250,158.80/345,219.24 = 135,437.43/x
  3. Step 3: Cross multiply
    250,158.80x = 345,219.24 × 135,437.43
  4. Step 4: Simplify right side
    250,158.80x = 46,755,606,652.15
  5. Step 5: Solve for x
    x = 46,755,606,652.15/250,158.80
  6. Step 6: Final answer
    x = 186,903.71

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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.