Home / 109,389.30-163,985.46-39,252.18

Finding the Fourth Proportional to 109,389.30, 163,985.46 and 39,252.18

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Solution

The fourth proportional to 109,389.30, 163,985.46 and 39,252.18 is: 58,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,389.30 : 163,985.46 = 39,252.18 : x
  2. Step 2: Convert to fraction form
    109,389.30/163,985.46 = 39,252.18/x
  3. Step 3: Cross multiply
    109,389.30x = 163,985.46 × 39,252.18
  4. Step 4: Simplify right side
    109,389.30x = 6,436,786,793.30
  5. Step 5: Solve for x
    x = 6,436,786,793.30/109,389.30
  6. Step 6: Final answer
    x = 58,842.93

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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.