Home / 132,916.95-183,321.75-85,174.74

Finding the Fourth Proportional to 132,916.95, 183,321.75 and 85,174.74

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Solution

The fourth proportional to 132,916.95, 183,321.75 and 85,174.74 is: 117,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.95 : 183,321.75 = 85,174.74 : x
  2. Step 2: Convert to fraction form
    132,916.95/183,321.75 = 85,174.74/x
  3. Step 3: Cross multiply
    132,916.95x = 183,321.75 × 85,174.74
  4. Step 4: Simplify right side
    132,916.95x = 15,614,382,392.60
  5. Step 5: Solve for x
    x = 15,614,382,392.60/132,916.95
  6. Step 6: Final answer
    x = 117,474.73

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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.