Home / 250,259.72-345,358.56-137,084.36

Finding the Fourth Proportional to 250,259.72, 345,358.56 and 137,084.36

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Solution

The fourth proportional to 250,259.72, 345,358.56 and 137,084.36 is: 189,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,259.72 : 345,358.56 = 137,084.36 : x
  2. Step 2: Convert to fraction form
    250,259.72/345,358.56 = 137,084.36/x
  3. Step 3: Cross multiply
    250,259.72x = 345,358.56 × 137,084.36
  4. Step 4: Simplify right side
    250,259.72x = 47,343,257,168.12
  5. Step 5: Solve for x
    x = 47,343,257,168.12/250,259.72
  6. Step 6: Final answer
    x = 189,176.50

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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.