Home / 219,502.32-302,912.92-118,900.72

Finding the Fourth Proportional to 219,502.32, 302,912.92 and 118,900.72

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Solution

The fourth proportional to 219,502.32, 302,912.92 and 118,900.72 is: 164,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,502.32 : 302,912.92 = 118,900.72 : x
  2. Step 2: Convert to fraction form
    219,502.32/302,912.92 = 118,900.72/x
  3. Step 3: Cross multiply
    219,502.32x = 302,912.92 × 118,900.72
  4. Step 4: Simplify right side
    219,502.32x = 36,016,564,285.30
  5. Step 5: Solve for x
    x = 36,016,564,285.30/219,502.32
  6. Step 6: Final answer
    x = 164,082.84

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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.