Home / 196,278.40-294,115.20-146,123.20

Finding the Fourth Proportional to 196,278.40, 294,115.20 and 146,123.20

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Solution

The fourth proportional to 196,278.40, 294,115.20 and 146,123.20 is: 218,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,278.40 : 294,115.20 = 146,123.20 : x
  2. Step 2: Convert to fraction form
    196,278.40/294,115.20 = 146,123.20/x
  3. Step 3: Cross multiply
    196,278.40x = 294,115.20 × 146,123.20
  4. Step 4: Simplify right side
    196,278.40x = 42,977,054,192.64
  5. Step 5: Solve for x
    x = 42,977,054,192.64/196,278.40
  6. Step 6: Final answer
    x = 218,959.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.