Home / 246,475.90-340,140.05-139,045.60

Finding the Fourth Proportional to 246,475.90, 340,140.05 and 139,045.60

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Solution

The fourth proportional to 246,475.90, 340,140.05 and 139,045.60 is: 191,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,475.90 : 340,140.05 = 139,045.60 : x
  2. Step 2: Convert to fraction form
    246,475.90/340,140.05 = 139,045.60/x
  3. Step 3: Cross multiply
    246,475.90x = 340,140.05 × 139,045.60
  4. Step 4: Simplify right side
    246,475.90x = 47,294,977,066.23
  5. Step 5: Solve for x
    x = 47,294,977,066.23/246,475.90
  6. Step 6: Final answer
    x = 191,884.79

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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.