Home / 126,460.85-174,597.32-81,158.36

Finding the Fourth Proportional to 126,460.85, 174,597.32 and 81,158.36

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Solution

The fourth proportional to 126,460.85, 174,597.32 and 81,158.36 is: 112,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,460.85 : 174,597.32 = 81,158.36 : x
  2. Step 2: Convert to fraction form
    126,460.85/174,597.32 = 81,158.36/x
  3. Step 3: Cross multiply
    126,460.85x = 174,597.32 × 81,158.36
  4. Step 4: Simplify right side
    126,460.85x = 14,170,031,481.50
  5. Step 5: Solve for x
    x = 14,170,031,481.50/126,460.85
  6. Step 6: Final answer
    x = 112,050.74

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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.