Home / 105,489.24-145,585.04-63,046.86

Finding the Fourth Proportional to 105,489.24, 145,585.04 and 63,046.86

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Solution

The fourth proportional to 105,489.24, 145,585.04 and 63,046.86 is: 87,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489.24 : 145,585.04 = 63,046.86 : x
  2. Step 2: Convert to fraction form
    105,489.24/145,585.04 = 63,046.86/x
  3. Step 3: Cross multiply
    105,489.24x = 145,585.04 × 63,046.86
  4. Step 4: Simplify right side
    105,489.24x = 9,178,679,634.97
  5. Step 5: Solve for x
    x = 9,178,679,634.97/105,489.24
  6. Step 6: Final answer
    x = 87,010.58

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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.