Home / 105,740.24-145,923.53-57,996

Finding the Fourth Proportional to 105,740.24, 145,923.53 and 57,996

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Solution

The fourth proportional to 105,740.24, 145,923.53 and 57,996 is: 80,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,740.24 : 145,923.53 = 57,996 : x
  2. Step 2: Convert to fraction form
    105,740.24/145,923.53 = 57,996/x
  3. Step 3: Cross multiply
    105,740.24x = 145,923.53 × 57,996
  4. Step 4: Simplify right side
    105,740.24x = 8,462,980,755.90
  5. Step 5: Solve for x
    x = 8,462,980,755.90/105,740.24
  6. Step 6: Final answer
    x = 80,035.58

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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.