Home / 140,347.32-193,676.94-76,685.64

Finding the Fourth Proportional to 140,347.32, 193,676.94 and 76,685.64

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Solution

The fourth proportional to 140,347.32, 193,676.94 and 76,685.64 is: 105,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,347.32 : 193,676.94 = 76,685.64 : x
  2. Step 2: Convert to fraction form
    140,347.32/193,676.94 = 76,685.64/x
  3. Step 3: Cross multiply
    140,347.32x = 193,676.94 × 76,685.64
  4. Step 4: Simplify right side
    140,347.32x = 14,852,240,097.14
  5. Step 5: Solve for x
    x = 14,852,240,097.14/140,347.32
  6. Step 6: Final answer
    x = 105,824.89

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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.