Home / 134,485.30-201,641.55-55,630.90

Finding the Fourth Proportional to 134,485.30, 201,641.55 and 55,630.90

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Solution

The fourth proportional to 134,485.30, 201,641.55 and 55,630.90 is: 83,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,485.30 : 201,641.55 = 55,630.90 : x
  2. Step 2: Convert to fraction form
    134,485.30/201,641.55 = 55,630.90/x
  3. Step 3: Cross multiply
    134,485.30x = 201,641.55 × 55,630.90
  4. Step 4: Simplify right side
    134,485.30x = 11,217,500,903.90
  5. Step 5: Solve for x
    x = 11,217,500,903.90/134,485.30
  6. Step 6: Final answer
    x = 83,410.61

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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.