Home / 132,930.74-183,340.70-85,188.52

Finding the Fourth Proportional to 132,930.74, 183,340.70 and 85,188.52

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Solution

The fourth proportional to 132,930.74, 183,340.70 and 85,188.52 is: 117,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,930.74 : 183,340.70 = 85,188.52 : x
  2. Step 2: Convert to fraction form
    132,930.74/183,340.70 = 85,188.52/x
  3. Step 3: Cross multiply
    132,930.74x = 183,340.70 × 85,188.52
  4. Step 4: Simplify right side
    132,930.74x = 15,618,522,888.76
  5. Step 5: Solve for x
    x = 15,618,522,888.76/132,930.74
  6. Step 6: Final answer
    x = 117,493.69

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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.