Home / 136,027.60-203,868.18-76,896.16

Finding the Fourth Proportional to 136,027.60, 203,868.18 and 76,896.16

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Solution

The fourth proportional to 136,027.60, 203,868.18 and 76,896.16 is: 115,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,027.60 : 203,868.18 = 76,896.16 : x
  2. Step 2: Convert to fraction form
    136,027.60/203,868.18 = 76,896.16/x
  3. Step 3: Cross multiply
    136,027.60x = 203,868.18 × 76,896.16
  4. Step 4: Simplify right side
    136,027.60x = 15,676,680,188.19
  5. Step 5: Solve for x
    x = 15,676,680,188.19/136,027.60
  6. Step 6: Final answer
    x = 115,246.32

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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.