Home / 250,289.36-345,314.80-142,783.72

Finding the Fourth Proportional to 250,289.36, 345,314.80 and 142,783.72

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Solution

The fourth proportional to 250,289.36, 345,314.80 and 142,783.72 is: 196,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,289.36 : 345,314.80 = 142,783.72 : x
  2. Step 2: Convert to fraction form
    250,289.36/345,314.80 = 142,783.72/x
  3. Step 3: Cross multiply
    250,289.36x = 345,314.80 × 142,783.72
  4. Step 4: Simplify right side
    250,289.36x = 49,305,331,715.06
  5. Step 5: Solve for x
    x = 49,305,331,715.06/250,289.36
  6. Step 6: Final answer
    x = 196,993.32

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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.