Home / 136,012.64-187,685.49-75,579.45

Finding the Fourth Proportional to 136,012.64, 187,685.49 and 75,579.45

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Solution

The fourth proportional to 136,012.64, 187,685.49 and 75,579.45 is: 104,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,012.64 : 187,685.49 = 75,579.45 : x
  2. Step 2: Convert to fraction form
    136,012.64/187,685.49 = 75,579.45/x
  3. Step 3: Cross multiply
    136,012.64x = 187,685.49 × 75,579.45
  4. Step 4: Simplify right side
    136,012.64x = 14,185,166,107.18
  5. Step 5: Solve for x
    x = 14,185,166,107.18/136,012.64
  6. Step 6: Final answer
    x = 104,293.00

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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.