Home / 132,690.84-183,130.11-76,101

Finding the Fourth Proportional to 132,690.84, 183,130.11 and 76,101

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Solution

The fourth proportional to 132,690.84, 183,130.11 and 76,101 is: 105,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,690.84 : 183,130.11 = 76,101 : x
  2. Step 2: Convert to fraction form
    132,690.84/183,130.11 = 76,101/x
  3. Step 3: Cross multiply
    132,690.84x = 183,130.11 × 76,101
  4. Step 4: Simplify right side
    132,690.84x = 13,936,384,501.11
  5. Step 5: Solve for x
    x = 13,936,384,501.11/132,690.84
  6. Step 6: Final answer
    x = 105,028.99

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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.