Home / 250,289.64-345,403.62-137,104.92

Finding the Fourth Proportional to 250,289.64, 345,403.62 and 137,104.92

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Solution

The fourth proportional to 250,289.64, 345,403.62 and 137,104.92 is: 189,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,289.64 : 345,403.62 = 137,104.92 : x
  2. Step 2: Convert to fraction form
    250,289.64/345,403.62 = 137,104.92/x
  3. Step 3: Cross multiply
    250,289.64x = 345,403.62 × 137,104.92
  4. Step 4: Simplify right side
    250,289.64x = 47,356,535,687.81
  5. Step 5: Solve for x
    x = 47,356,535,687.81/250,289.64
  6. Step 6: Final answer
    x = 189,206.94

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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.