Home / 132,967.56-183,495.24-76,378.94

Finding the Fourth Proportional to 132,967.56, 183,495.24 and 76,378.94

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Solution

The fourth proportional to 132,967.56, 183,495.24 and 76,378.94 is: 105,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,967.56 : 183,495.24 = 76,378.94 : x
  2. Step 2: Convert to fraction form
    132,967.56/183,495.24 = 76,378.94/x
  3. Step 3: Cross multiply
    132,967.56x = 183,495.24 × 76,378.94
  4. Step 4: Simplify right side
    132,967.56x = 14,015,171,926.25
  5. Step 5: Solve for x
    x = 14,015,171,926.25/132,967.56
  6. Step 6: Final answer
    x = 105,402.94

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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.