Home / 100,084.36-149,887.32-55,600.80

Finding the Fourth Proportional to 100,084.36, 149,887.32 and 55,600.80

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Solution

The fourth proportional to 100,084.36, 149,887.32 and 55,600.80 is: 83,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,084.36 : 149,887.32 = 55,600.80 : x
  2. Step 2: Convert to fraction form
    100,084.36/149,887.32 = 55,600.80/x
  3. Step 3: Cross multiply
    100,084.36x = 149,887.32 × 55,600.80
  4. Step 4: Simplify right side
    100,084.36x = 8,333,854,901.86
  5. Step 5: Solve for x
    x = 8,333,854,901.86/100,084.36
  6. Step 6: Final answer
    x = 83,268.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.