Home / 126,581.03-174,725.81-72,887.45

Finding the Fourth Proportional to 126,581.03, 174,725.81 and 72,887.45

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Solution

The fourth proportional to 126,581.03, 174,725.81 and 72,887.45 is: 100,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.03 : 174,725.81 = 72,887.45 : x
  2. Step 2: Convert to fraction form
    126,581.03/174,725.81 = 72,887.45/x
  3. Step 3: Cross multiply
    126,581.03x = 174,725.81 × 72,887.45
  4. Step 4: Simplify right side
    126,581.03x = 12,735,317,775.35
  5. Step 5: Solve for x
    x = 12,735,317,775.35/126,581.03
  6. Step 6: Final answer
    x = 100,610.00

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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.