Home / 136,223.48-187,989.34-75,796.68

Finding the Fourth Proportional to 136,223.48, 187,989.34 and 75,796.68

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Solution

The fourth proportional to 136,223.48, 187,989.34 and 75,796.68 is: 104,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,223.48 : 187,989.34 = 75,796.68 : x
  2. Step 2: Convert to fraction form
    136,223.48/187,989.34 = 75,796.68/x
  3. Step 3: Cross multiply
    136,223.48x = 187,989.34 × 75,796.68
  4. Step 4: Simplify right side
    136,223.48x = 14,248,967,847.39
  5. Step 5: Solve for x
    x = 14,248,967,847.39/136,223.48
  6. Step 6: Final answer
    x = 104,599.94

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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.