Home / 164,571.12-227,108.52-89,119.60

Finding the Fourth Proportional to 164,571.12, 227,108.52 and 89,119.60

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Solution

The fourth proportional to 164,571.12, 227,108.52 and 89,119.60 is: 122,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,571.12 : 227,108.52 = 89,119.60 : x
  2. Step 2: Convert to fraction form
    164,571.12/227,108.52 = 89,119.60/x
  3. Step 3: Cross multiply
    164,571.12x = 227,108.52 × 89,119.60
  4. Step 4: Simplify right side
    164,571.12x = 20,239,820,458.99
  5. Step 5: Solve for x
    x = 20,239,820,458.99/164,571.12
  6. Step 6: Final answer
    x = 122,985.25

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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.