Home / 126,076.09-189,130.53-46,101.61

Finding the Fourth Proportional to 126,076.09, 189,130.53 and 46,101.61

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Solution

The fourth proportional to 126,076.09, 189,130.53 and 46,101.61 is: 69,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076.09 : 189,130.53 = 46,101.61 : x
  2. Step 2: Convert to fraction form
    126,076.09/189,130.53 = 46,101.61/x
  3. Step 3: Cross multiply
    126,076.09x = 189,130.53 × 46,101.61
  4. Step 4: Simplify right side
    126,076.09x = 8,719,220,987.50
  5. Step 5: Solve for x
    x = 8,719,220,987.50/126,076.09
  6. Step 6: Final answer
    x = 69,158.40

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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.