Home / 250,399.73-345,551.93-135,678.29

Finding the Fourth Proportional to 250,399.73, 345,551.93 and 135,678.29

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Solution

The fourth proportional to 250,399.73, 345,551.93 and 135,678.29 is: 187,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,399.73 : 345,551.93 = 135,678.29 : x
  2. Step 2: Convert to fraction form
    250,399.73/345,551.93 = 135,678.29/x
  3. Step 3: Cross multiply
    250,399.73x = 345,551.93 × 135,678.29
  4. Step 4: Simplify right side
    250,399.73x = 46,883,893,580.04
  5. Step 5: Solve for x
    x = 46,883,893,580.04/250,399.73
  6. Step 6: Final answer
    x = 187,236.20

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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.