Home / 250,153.74-345,212.73-135,433.59

Finding the Fourth Proportional to 250,153.74, 345,212.73 and 135,433.59

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Solution

The fourth proportional to 250,153.74, 345,212.73 and 135,433.59 is: 186,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,153.74 : 345,212.73 = 135,433.59 : x
  2. Step 2: Convert to fraction form
    250,153.74/345,212.73 = 135,433.59/x
  3. Step 3: Cross multiply
    250,153.74x = 345,212.73 × 135,433.59
  4. Step 4: Simplify right side
    250,153.74x = 46,753,399,337.60
  5. Step 5: Solve for x
    x = 46,753,399,337.60/250,153.74
  6. Step 6: Final answer
    x = 186,898.66

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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.