Home / 132,687.84-183,110.27-72,258.75

Finding the Fourth Proportional to 132,687.84, 183,110.27 and 72,258.75

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Solution

The fourth proportional to 132,687.84, 183,110.27 and 72,258.75 is: 99,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,687.84 : 183,110.27 = 72,258.75 : x
  2. Step 2: Convert to fraction form
    132,687.84/183,110.27 = 72,258.75/x
  3. Step 3: Cross multiply
    132,687.84x = 183,110.27 × 72,258.75
  4. Step 4: Simplify right side
    132,687.84x = 13,231,318,861.07
  5. Step 5: Solve for x
    x = 13,231,318,861.07/132,687.84
  6. Step 6: Final answer
    x = 99,717.64

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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.