Home / 134,505.18-185,639.34-102,613.86

Finding the Fourth Proportional to 134,505.18, 185,639.34 and 102,613.86

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Solution

The fourth proportional to 134,505.18, 185,639.34 and 102,613.86 is: 141,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,505.18 : 185,639.34 = 102,613.86 : x
  2. Step 2: Convert to fraction form
    134,505.18/185,639.34 = 102,613.86/x
  3. Step 3: Cross multiply
    134,505.18x = 185,639.34 × 102,613.86
  4. Step 4: Simplify right side
    134,505.18x = 19,049,169,245.25
  5. Step 5: Solve for x
    x = 19,049,169,245.25/134,505.18
  6. Step 6: Final answer
    x = 141,624.06

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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.