Home / 126,169.64-174,108.24-72,416.82

Finding the Fourth Proportional to 126,169.64, 174,108.24 and 72,416.82

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Solution

The fourth proportional to 126,169.64, 174,108.24 and 72,416.82 is: 99,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,169.64 : 174,108.24 = 72,416.82 : x
  2. Step 2: Convert to fraction form
    126,169.64/174,108.24 = 72,416.82/x
  3. Step 3: Cross multiply
    126,169.64x = 174,108.24 × 72,416.82
  4. Step 4: Simplify right side
    126,169.64x = 12,608,365,076.60
  5. Step 5: Solve for x
    x = 12,608,365,076.60/126,169.64
  6. Step 6: Final answer
    x = 99,931.85

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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.