Home / 246,869.64-340,681.20-139,440.96

Finding the Fourth Proportional to 246,869.64, 340,681.20 and 139,440.96

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Solution

The fourth proportional to 246,869.64, 340,681.20 and 139,440.96 is: 192,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,869.64 : 340,681.20 = 139,440.96 : x
  2. Step 2: Convert to fraction form
    246,869.64/340,681.20 = 139,440.96/x
  3. Step 3: Cross multiply
    246,869.64x = 340,681.20 × 139,440.96
  4. Step 4: Simplify right side
    246,869.64x = 47,504,913,581.95
  5. Step 5: Solve for x
    x = 47,504,913,581.95/246,869.64
  6. Step 6: Final answer
    x = 192,429.14

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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.