Home / 250,355.62-345,490.96-137,178.37

Finding the Fourth Proportional to 250,355.62, 345,490.96 and 137,178.37

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Solution

The fourth proportional to 250,355.62, 345,490.96 and 137,178.37 is: 189,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,355.62 : 345,490.96 = 137,178.37 : x
  2. Step 2: Convert to fraction form
    250,355.62/345,490.96 = 137,178.37/x
  3. Step 3: Cross multiply
    250,355.62x = 345,490.96 × 137,178.37
  4. Step 4: Simplify right side
    250,355.62x = 47,393,885,015.08
  5. Step 5: Solve for x
    x = 47,393,885,015.08/250,355.62
  6. Step 6: Final answer
    x = 189,306.26

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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.