Home / 126,196.81-174,170.45-80,925.91

Finding the Fourth Proportional to 126,196.81, 174,170.45 and 80,925.91

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Solution

The fourth proportional to 126,196.81, 174,170.45 and 80,925.91 is: 111,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,196.81 : 174,170.45 = 80,925.91 : x
  2. Step 2: Convert to fraction form
    126,196.81/174,170.45 = 80,925.91/x
  3. Step 3: Cross multiply
    126,196.81x = 174,170.45 × 80,925.91
  4. Step 4: Simplify right side
    126,196.81x = 14,094,901,928.25
  5. Step 5: Solve for x
    x = 14,094,901,928.25/126,196.81
  6. Step 6: Final answer
    x = 111,689.85

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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.