Home / 140,864.46-194,394.48-77,200.86

Finding the Fourth Proportional to 140,864.46, 194,394.48 and 77,200.86

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Solution

The fourth proportional to 140,864.46, 194,394.48 and 77,200.86 is: 106,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,864.46 : 194,394.48 = 77,200.86 : x
  2. Step 2: Convert to fraction form
    140,864.46/194,394.48 = 77,200.86/x
  3. Step 3: Cross multiply
    140,864.46x = 194,394.48 × 77,200.86
  4. Step 4: Simplify right side
    140,864.46x = 15,007,421,035.25
  5. Step 5: Solve for x
    x = 15,007,421,035.25/140,864.46
  6. Step 6: Final answer
    x = 106,538.02

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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.