Home / 250,127.70-345,173.86-135,403.40

Finding the Fourth Proportional to 250,127.70, 345,173.86 and 135,403.40

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Solution

The fourth proportional to 250,127.70, 345,173.86 and 135,403.40 is: 186,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,127.70 : 345,173.86 = 135,403.40 : x
  2. Step 2: Convert to fraction form
    250,127.70/345,173.86 = 135,403.40/x
  3. Step 3: Cross multiply
    250,127.70x = 345,173.86 × 135,403.40
  4. Step 4: Simplify right side
    250,127.70x = 46,737,715,267.31
  5. Step 5: Solve for x
    x = 46,737,715,267.31/250,127.70
  6. Step 6: Final answer
    x = 186,855.42

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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.