Home / 220,807.20-304,712.08-120,204.96

Finding the Fourth Proportional to 220,807.20, 304,712.08 and 120,204.96

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Solution

The fourth proportional to 220,807.20, 304,712.08 and 120,204.96 is: 165,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,807.20 : 304,712.08 = 120,204.96 : x
  2. Step 2: Convert to fraction form
    220,807.20/304,712.08 = 120,204.96/x
  3. Step 3: Cross multiply
    220,807.20x = 304,712.08 × 120,204.96
  4. Step 4: Simplify right side
    220,807.20x = 36,627,903,387.92
  5. Step 5: Solve for x
    x = 36,627,903,387.92/220,807.20
  6. Step 6: Final answer
    x = 165,881.83

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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.