Home / 135,683.20-187,254.32-75,273.32

Finding the Fourth Proportional to 135,683.20, 187,254.32 and 75,273.32

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Solution

The fourth proportional to 135,683.20, 187,254.32 and 75,273.32 is: 103,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.20 : 187,254.32 = 75,273.32 : x
  2. Step 2: Convert to fraction form
    135,683.20/187,254.32 = 75,273.32/x
  3. Step 3: Cross multiply
    135,683.20x = 187,254.32 × 75,273.32
  4. Step 4: Simplify right side
    135,683.20x = 14,095,254,350.74
  5. Step 5: Solve for x
    x = 14,095,254,350.74/135,683.20
  6. Step 6: Final answer
    x = 103,883.56

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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.