Home / 156,045.40-215,160.24-147,637.60

Finding the Fourth Proportional to 156,045.40, 215,160.24 and 147,637.60

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Solution

The fourth proportional to 156,045.40, 215,160.24 and 147,637.60 is: 203,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,045.40 : 215,160.24 = 147,637.60 : x
  2. Step 2: Convert to fraction form
    156,045.40/215,160.24 = 147,637.60/x
  3. Step 3: Cross multiply
    156,045.40x = 215,160.24 × 147,637.60
  4. Step 4: Simplify right side
    156,045.40x = 31,765,741,449.02
  5. Step 5: Solve for x
    x = 31,765,741,449.02/156,045.40
  6. Step 6: Final answer
    x = 203,567.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.