Home / 105,364.05-145,390.46-62,344.86

Finding the Fourth Proportional to 105,364.05, 145,390.46 and 62,344.86

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Solution

The fourth proportional to 105,364.05, 145,390.46 and 62,344.86 is: 86,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,364.05 : 145,390.46 = 62,344.86 : x
  2. Step 2: Convert to fraction form
    105,364.05/145,390.46 = 62,344.86/x
  3. Step 3: Cross multiply
    105,364.05x = 145,390.46 × 62,344.86
  4. Step 4: Simplify right side
    105,364.05x = 9,064,347,562.31
  5. Step 5: Solve for x
    x = 9,064,347,562.31/105,364.05
  6. Step 6: Final answer
    x = 86,028.85

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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.