Home / 140,667.72-194,126.04-77,005.52

Finding the Fourth Proportional to 140,667.72, 194,126.04 and 77,005.52

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Solution

The fourth proportional to 140,667.72, 194,126.04 and 77,005.52 is: 106,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,667.72 : 194,126.04 = 77,005.52 : x
  2. Step 2: Convert to fraction form
    140,667.72/194,126.04 = 77,005.52/x
  3. Step 3: Cross multiply
    140,667.72x = 194,126.04 × 77,005.52
  4. Step 4: Simplify right side
    140,667.72x = 14,948,776,655.74
  5. Step 5: Solve for x
    x = 14,948,776,655.74/140,667.72
  6. Step 6: Final answer
    x = 106,270.13

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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.