Home / 132,883.73-183,376.23-72,455.55

Finding the Fourth Proportional to 132,883.73, 183,376.23 and 72,455.55

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Solution

The fourth proportional to 132,883.73, 183,376.23 and 72,455.55 is: 99,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883.73 : 183,376.23 = 72,455.55 : x
  2. Step 2: Convert to fraction form
    132,883.73/183,376.23 = 72,455.55/x
  3. Step 3: Cross multiply
    132,883.73x = 183,376.23 × 72,455.55
  4. Step 4: Simplify right side
    132,883.73x = 13,286,625,601.58
  5. Step 5: Solve for x
    x = 13,286,625,601.58/132,883.73
  6. Step 6: Final answer
    x = 99,986.85

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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.