Home / 148,120.58-204,401.35-84,478.88

Finding the Fourth Proportional to 148,120.58, 204,401.35 and 84,478.88

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Solution

The fourth proportional to 148,120.58, 204,401.35 and 84,478.88 is: 116,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,120.58 : 204,401.35 = 84,478.88 : x
  2. Step 2: Convert to fraction form
    148,120.58/204,401.35 = 84,478.88/x
  3. Step 3: Cross multiply
    148,120.58x = 204,401.35 × 84,478.88
  4. Step 4: Simplify right side
    148,120.58x = 17,267,597,118.49
  5. Step 5: Solve for x
    x = 17,267,597,118.49/148,120.58
  6. Step 6: Final answer
    x = 116,577.97

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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.