Home / 246,386.90-340,013.05-138,956.30

Finding the Fourth Proportional to 246,386.90, 340,013.05 and 138,956.30

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Solution

The fourth proportional to 246,386.90, 340,013.05 and 138,956.30 is: 191,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,386.90 : 340,013.05 = 138,956.30 : x
  2. Step 2: Convert to fraction form
    246,386.90/340,013.05 = 138,956.30/x
  3. Step 3: Cross multiply
    246,386.90x = 340,013.05 × 138,956.30
  4. Step 4: Simplify right side
    246,386.90x = 47,246,955,379.72
  5. Step 5: Solve for x
    x = 47,246,955,379.72/246,386.90
  6. Step 6: Final answer
    x = 191,759.20

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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.