Home / 221,380.32-305,492.40-125,910.24

Finding the Fourth Proportional to 221,380.32, 305,492.40 and 125,910.24

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Solution

The fourth proportional to 221,380.32, 305,492.40 and 125,910.24 is: 173,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,380.32 : 305,492.40 = 125,910.24 : x
  2. Step 2: Convert to fraction form
    221,380.32/305,492.40 = 125,910.24/x
  3. Step 3: Cross multiply
    221,380.32x = 305,492.40 × 125,910.24
  4. Step 4: Simplify right side
    221,380.32x = 38,464,621,402.18
  5. Step 5: Solve for x
    x = 38,464,621,402.18/221,380.32
  6. Step 6: Final answer
    x = 173,749.06

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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.