Home / 132,954.94-183,509.31-76,399.12

Finding the Fourth Proportional to 132,954.94, 183,509.31 and 76,399.12

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Solution

The fourth proportional to 132,954.94, 183,509.31 and 76,399.12 is: 105,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,954.94 : 183,509.31 = 76,399.12 : x
  2. Step 2: Convert to fraction form
    132,954.94/183,509.31 = 76,399.12/x
  3. Step 3: Cross multiply
    132,954.94x = 183,509.31 × 76,399.12
  4. Step 4: Simplify right side
    132,954.94x = 14,019,949,795.81
  5. Step 5: Solve for x
    x = 14,019,949,795.81/132,954.94
  6. Step 6: Final answer
    x = 105,448.88

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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.