Home / 132,984.25-183,518.27-76,428.43

Finding the Fourth Proportional to 132,984.25, 183,518.27 and 76,428.43

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Solution

The fourth proportional to 132,984.25, 183,518.27 and 76,428.43 is: 105,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.25 : 183,518.27 = 76,428.43 : x
  2. Step 2: Convert to fraction form
    132,984.25/183,518.27 = 76,428.43/x
  3. Step 3: Cross multiply
    132,984.25x = 183,518.27 × 76,428.43
  4. Step 4: Simplify right side
    132,984.25x = 14,026,013,252.42
  5. Step 5: Solve for x
    x = 14,026,013,252.42/132,984.25
  6. Step 6: Final answer
    x = 105,471.24

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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.