Home / 246,735.16-340,491.53-139,309.72

Finding the Fourth Proportional to 246,735.16, 340,491.53 and 139,309.72

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Solution

The fourth proportional to 246,735.16, 340,491.53 and 139,309.72 is: 192,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,735.16 : 340,491.53 = 139,309.72 : x
  2. Step 2: Convert to fraction form
    246,735.16/340,491.53 = 139,309.72/x
  3. Step 3: Cross multiply
    246,735.16x = 340,491.53 × 139,309.72
  4. Step 4: Simplify right side
    246,735.16x = 47,433,779,203.72
  5. Step 5: Solve for x
    x = 47,433,779,203.72/246,735.16
  6. Step 6: Final answer
    x = 192,245.72

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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.