Home / 135,854.12-203,715.64-56,947.16

Finding the Fourth Proportional to 135,854.12, 203,715.64 and 56,947.16

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Solution

The fourth proportional to 135,854.12, 203,715.64 and 56,947.16 is: 85,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,854.12 : 203,715.64 = 56,947.16 : x
  2. Step 2: Convert to fraction form
    135,854.12/203,715.64 = 56,947.16/x
  3. Step 3: Cross multiply
    135,854.12x = 203,715.64 × 56,947.16
  4. Step 4: Simplify right side
    135,854.12x = 11,601,027,145.58
  5. Step 5: Solve for x
    x = 11,601,027,145.58/135,854.12
  6. Step 6: Final answer
    x = 85,393.27

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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.