Home / 219,502.02-302,912.82-118,900.02

Finding the Fourth Proportional to 219,502.02, 302,912.82 and 118,900.02

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Solution

The fourth proportional to 219,502.02, 302,912.82 and 118,900.02 is: 164,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,502.02 : 302,912.82 = 118,900.02 : x
  2. Step 2: Convert to fraction form
    219,502.02/302,912.82 = 118,900.02/x
  3. Step 3: Cross multiply
    219,502.02x = 302,912.82 × 118,900.02
  4. Step 4: Simplify right side
    219,502.02x = 36,016,340,356.26
  5. Step 5: Solve for x
    x = 36,016,340,356.26/219,502.02
  6. Step 6: Final answer
    x = 164,082.05

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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.