Home / 124,840.30-187,242-45,936.16

Finding the Fourth Proportional to 124,840.30, 187,242 and 45,936.16

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Solution

The fourth proportional to 124,840.30, 187,242 and 45,936.16 is: 68,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,840.30 : 187,242 = 45,936.16 : x
  2. Step 2: Convert to fraction form
    124,840.30/187,242 = 45,936.16/x
  3. Step 3: Cross multiply
    124,840.30x = 187,242 × 45,936.16
  4. Step 4: Simplify right side
    124,840.30x = 8,601,178,470.72
  5. Step 5: Solve for x
    x = 8,601,178,470.72/124,840.30
  6. Step 6: Final answer
    x = 68,897.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.