Home / 132,872.76-183,260.73-85,130.58

Finding the Fourth Proportional to 132,872.76, 183,260.73 and 85,130.58

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Solution

The fourth proportional to 132,872.76, 183,260.73 and 85,130.58 is: 117,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872.76 : 183,260.73 = 85,130.58 : x
  2. Step 2: Convert to fraction form
    132,872.76/183,260.73 = 85,130.58/x
  3. Step 3: Cross multiply
    132,872.76x = 183,260.73 × 85,130.58
  4. Step 4: Simplify right side
    132,872.76x = 15,601,092,236.12
  5. Step 5: Solve for x
    x = 15,601,092,236.12/132,872.76
  6. Step 6: Final answer
    x = 117,413.77

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1.5x scale

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.