Home / 126,799.08-174,992.58-70,215.72

Finding the Fourth Proportional to 126,799.08, 174,992.58 and 70,215.72

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Solution

The fourth proportional to 126,799.08, 174,992.58 and 70,215.72 is: 96,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,799.08 : 174,992.58 = 70,215.72 : x
  2. Step 2: Convert to fraction form
    126,799.08/174,992.58 = 70,215.72/x
  3. Step 3: Cross multiply
    126,799.08x = 174,992.58 × 70,215.72
  4. Step 4: Simplify right side
    126,799.08x = 12,287,229,999.36
  5. Step 5: Solve for x
    x = 12,287,229,999.36/126,799.08
  6. Step 6: Final answer
    x = 96,903.15

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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.