Home / 132,724.80-183,185.28-76,173.12

Finding the Fourth Proportional to 132,724.80, 183,185.28 and 76,173.12

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Solution

The fourth proportional to 132,724.80, 183,185.28 and 76,173.12 is: 105,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,724.80 : 183,185.28 = 76,173.12 : x
  2. Step 2: Convert to fraction form
    132,724.80/183,185.28 = 76,173.12/x
  3. Step 3: Cross multiply
    132,724.80x = 183,185.28 × 76,173.12
  4. Step 4: Simplify right side
    132,724.80x = 13,953,794,315.67
  5. Step 5: Solve for x
    x = 13,953,794,315.67/132,724.80
  6. Step 6: Final answer
    x = 105,133.29

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1.5x scale

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.