Home / 126,265.10-174,262.41-87,999.89

Finding the Fourth Proportional to 126,265.10, 174,262.41 and 87,999.89

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Solution

The fourth proportional to 126,265.10, 174,262.41 and 87,999.89 is: 121,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,265.10 : 174,262.41 = 87,999.89 : x
  2. Step 2: Convert to fraction form
    126,265.10/174,262.41 = 87,999.89/x
  3. Step 3: Cross multiply
    126,265.10x = 174,262.41 × 87,999.89
  4. Step 4: Simplify right side
    126,265.10x = 15,335,072,039.82
  5. Step 5: Solve for x
    x = 15,335,072,039.82/126,265.10
  6. Step 6: Final answer
    x = 121,451.40

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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.