Home / 152,082.42-209,875.09-84,103.96

Finding the Fourth Proportional to 152,082.42, 209,875.09 and 84,103.96

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Solution

The fourth proportional to 152,082.42, 209,875.09 and 84,103.96 is: 116,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,082.42 : 209,875.09 = 84,103.96 : x
  2. Step 2: Convert to fraction form
    152,082.42/209,875.09 = 84,103.96/x
  3. Step 3: Cross multiply
    152,082.42x = 209,875.09 × 84,103.96
  4. Step 4: Simplify right side
    152,082.42x = 17,651,326,174.36
  5. Step 5: Solve for x
    x = 17,651,326,174.36/152,082.42
  6. Step 6: Final answer
    x = 116,064.21

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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.