Home / 156,149.35-215,484.63-84,527.53

Finding the Fourth Proportional to 156,149.35, 215,484.63 and 84,527.53

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Solution

The fourth proportional to 156,149.35, 215,484.63 and 84,527.53 is: 116,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149.35 : 215,484.63 = 84,527.53 : x
  2. Step 2: Convert to fraction form
    156,149.35/215,484.63 = 84,527.53/x
  3. Step 3: Cross multiply
    156,149.35x = 215,484.63 × 84,527.53
  4. Step 4: Simplify right side
    156,149.35x = 18,214,383,526.86
  5. Step 5: Solve for x
    x = 18,214,383,526.86/156,149.35
  6. Step 6: Final answer
    x = 116,647.19

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Why These Related Problems?

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