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Finding the Fourth Proportional to 179,875.70, 269,792.06 and 139,934.55

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Solution

The fourth proportional to 179,875.70, 269,792.06 and 139,934.55 is: 209,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,875.70 : 269,792.06 = 139,934.55 : x
  2. Step 2: Convert to fraction form
    179,875.70/269,792.06 = 139,934.55/x
  3. Step 3: Cross multiply
    179,875.70x = 269,792.06 × 139,934.55
  4. Step 4: Simplify right side
    179,875.70x = 37,753,229,810.00
  5. Step 5: Solve for x
    x = 37,753,229,810.00/179,875.70
  6. Step 6: Final answer
    x = 209,885.11

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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.