Home / 134,856.57-202,222.26-78,712.92

Finding the Fourth Proportional to 134,856.57, 202,222.26 and 78,712.92

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Solution

The fourth proportional to 134,856.57, 202,222.26 and 78,712.92 is: 118,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.57 : 202,222.26 = 78,712.92 : x
  2. Step 2: Convert to fraction form
    134,856.57/202,222.26 = 78,712.92/x
  3. Step 3: Cross multiply
    134,856.57x = 202,222.26 × 78,712.92
  4. Step 4: Simplify right side
    134,856.57x = 15,917,504,573.60
  5. Step 5: Solve for x
    x = 15,917,504,573.60/134,856.57
  6. Step 6: Final answer
    x = 118,032.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.