Home / 126,037.56-173,930.02-72,321.46

Finding the Fourth Proportional to 126,037.56, 173,930.02 and 72,321.46

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Solution

The fourth proportional to 126,037.56, 173,930.02 and 72,321.46 is: 99,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,037.56 : 173,930.02 = 72,321.46 : x
  2. Step 2: Convert to fraction form
    126,037.56/173,930.02 = 72,321.46/x
  3. Step 3: Cross multiply
    126,037.56x = 173,930.02 × 72,321.46
  4. Step 4: Simplify right side
    126,037.56x = 12,578,872,984.23
  5. Step 5: Solve for x
    x = 12,578,872,984.23/126,037.56
  6. Step 6: Final answer
    x = 99,802.57

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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.