Home / 250,039.26-345,051.51-135,315.40

Finding the Fourth Proportional to 250,039.26, 345,051.51 and 135,315.40

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Solution

The fourth proportional to 250,039.26, 345,051.51 and 135,315.40 is: 186,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,039.26 : 345,051.51 = 135,315.40 : x
  2. Step 2: Convert to fraction form
    250,039.26/345,051.51 = 135,315.40/x
  3. Step 3: Cross multiply
    250,039.26x = 345,051.51 × 135,315.40
  4. Step 4: Simplify right side
    250,039.26x = 46,690,783,096.25
  5. Step 5: Solve for x
    x = 46,690,783,096.25/250,039.26
  6. Step 6: Final answer
    x = 186,733.81

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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.