Home / 132,871.29-183,370.55-76,291.17

Finding the Fourth Proportional to 132,871.29, 183,370.55 and 76,291.17

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Solution

The fourth proportional to 132,871.29, 183,370.55 and 76,291.17 is: 105,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.29 : 183,370.55 = 76,291.17 : x
  2. Step 2: Convert to fraction form
    132,871.29/183,370.55 = 76,291.17/x
  3. Step 3: Cross multiply
    132,871.29x = 183,370.55 × 76,291.17
  4. Step 4: Simplify right side
    132,871.29x = 13,989,553,803.04
  5. Step 5: Solve for x
    x = 13,989,553,803.04/132,871.29
  6. Step 6: Final answer
    x = 105,286.51

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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.