Home / 134,856.58-202,222.28-78,712.84

Finding the Fourth Proportional to 134,856.58, 202,222.28 and 78,712.84

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Solution

The fourth proportional to 134,856.58, 202,222.28 and 78,712.84 is: 118,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.58 : 202,222.28 = 78,712.84 : x
  2. Step 2: Convert to fraction form
    134,856.58/202,222.28 = 78,712.84/x
  3. Step 3: Cross multiply
    134,856.58x = 202,222.28 × 78,712.84
  4. Step 4: Simplify right side
    134,856.58x = 15,917,489,970.08
  5. Step 5: Solve for x
    x = 15,917,489,970.08/134,856.58
  6. Step 6: Final answer
    x = 118,032.73

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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.