Home / 250,382.81-345,528.32-137,203.13

Finding the Fourth Proportional to 250,382.81, 345,528.32 and 137,203.13

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Solution

The fourth proportional to 250,382.81, 345,528.32 and 137,203.13 is: 189,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,382.81 : 345,528.32 = 137,203.13 : x
  2. Step 2: Convert to fraction form
    250,382.81/345,528.32 = 137,203.13/x
  3. Step 3: Cross multiply
    250,382.81x = 345,528.32 × 137,203.13
  4. Step 4: Simplify right side
    250,382.81x = 47,407,567,185.45
  5. Step 5: Solve for x
    x = 47,407,567,185.45/250,382.81
  6. Step 6: Final answer
    x = 189,340.34

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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.