Home / 137,514.52-189,770.47-76,265.08

Finding the Fourth Proportional to 137,514.52, 189,770.47 and 76,265.08

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Solution

The fourth proportional to 137,514.52, 189,770.47 and 76,265.08 is: 105,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,514.52 : 189,770.47 = 76,265.08 : x
  2. Step 2: Convert to fraction form
    137,514.52/189,770.47 = 76,265.08/x
  3. Step 3: Cross multiply
    137,514.52x = 189,770.47 × 76,265.08
  4. Step 4: Simplify right side
    137,514.52x = 14,472,860,076.19
  5. Step 5: Solve for x
    x = 14,472,860,076.19/137,514.52
  6. Step 6: Final answer
    x = 105,246.05

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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.