Home / 105,288.37-145,304.97-59,359.35

Finding the Fourth Proportional to 105,288.37, 145,304.97 and 59,359.35

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Solution

The fourth proportional to 105,288.37, 145,304.97 and 59,359.35 is: 81,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,288.37 : 145,304.97 = 59,359.35 : x
  2. Step 2: Convert to fraction form
    105,288.37/145,304.97 = 59,359.35/x
  3. Step 3: Cross multiply
    105,288.37x = 145,304.97 × 59,359.35
  4. Step 4: Simplify right side
    105,288.37x = 8,625,208,570.97
  5. Step 5: Solve for x
    x = 8,625,208,570.97/105,288.37
  6. Step 6: Final answer
    x = 81,919.86

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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.