Home / 140,204.55-193,476.81-76,542.87

Finding the Fourth Proportional to 140,204.55, 193,476.81 and 76,542.87

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Solution

The fourth proportional to 140,204.55, 193,476.81 and 76,542.87 is: 105,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204.55 : 193,476.81 = 76,542.87 : x
  2. Step 2: Convert to fraction form
    140,204.55/193,476.81 = 76,542.87/x
  3. Step 3: Cross multiply
    140,204.55x = 193,476.81 × 76,542.87
  4. Step 4: Simplify right side
    140,204.55x = 14,809,270,315.84
  5. Step 5: Solve for x
    x = 14,809,270,315.84/140,204.55
  6. Step 6: Final answer
    x = 105,626.17

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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.