Home / 156,444.48-215,668.08-111,654.72

Finding the Fourth Proportional to 156,444.48, 215,668.08 and 111,654.72

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Solution

The fourth proportional to 156,444.48, 215,668.08 and 111,654.72 is: 153,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444.48 : 215,668.08 = 111,654.72 : x
  2. Step 2: Convert to fraction form
    156,444.48/215,668.08 = 111,654.72/x
  3. Step 3: Cross multiply
    156,444.48x = 215,668.08 × 111,654.72
  4. Step 4: Simplify right side
    156,444.48x = 24,080,359,085.34
  5. Step 5: Solve for x
    x = 24,080,359,085.34/156,444.48
  6. Step 6: Final answer
    x = 153,922.71

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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.