Home / 126,498.08-174,562.48-72,800.34

Finding the Fourth Proportional to 126,498.08, 174,562.48 and 72,800.34

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Solution

The fourth proportional to 126,498.08, 174,562.48 and 72,800.34 is: 100,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,498.08 : 174,562.48 = 72,800.34 : x
  2. Step 2: Convert to fraction form
    126,498.08/174,562.48 = 72,800.34/x
  3. Step 3: Cross multiply
    126,498.08x = 174,562.48 × 72,800.34
  4. Step 4: Simplify right side
    126,498.08x = 12,708,207,895.24
  5. Step 5: Solve for x
    x = 12,708,207,895.24/126,498.08
  6. Step 6: Final answer
    x = 100,461.67

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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.