Home / 246,988.16-340,899.55-139,620.50

Finding the Fourth Proportional to 246,988.16, 340,899.55 and 139,620.50

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Solution

The fourth proportional to 246,988.16, 340,899.55 and 139,620.50 is: 192,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,988.16 : 340,899.55 = 139,620.50 : x
  2. Step 2: Convert to fraction form
    246,988.16/340,899.55 = 139,620.50/x
  3. Step 3: Cross multiply
    246,988.16x = 340,899.55 × 139,620.50
  4. Step 4: Simplify right side
    246,988.16x = 47,596,563,916.28
  5. Step 5: Solve for x
    x = 47,596,563,916.28/246,988.16
  6. Step 6: Final answer
    x = 192,707.88

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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.