Home / 126,118.13-173,944.55-80,800.31

Finding the Fourth Proportional to 126,118.13, 173,944.55 and 80,800.31

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Solution

The fourth proportional to 126,118.13, 173,944.55 and 80,800.31 is: 111,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.13 : 173,944.55 = 80,800.31 : x
  2. Step 2: Convert to fraction form
    126,118.13/173,944.55 = 80,800.31/x
  3. Step 3: Cross multiply
    126,118.13x = 173,944.55 × 80,800.31
  4. Step 4: Simplify right side
    126,118.13x = 14,054,774,199.67
  5. Step 5: Solve for x
    x = 14,054,774,199.67/126,118.13
  6. Step 6: Final answer
    x = 111,441.35

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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.