Home / 140,243.04-193,535.37-76,580.90

Finding the Fourth Proportional to 140,243.04, 193,535.37 and 76,580.90

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Solution

The fourth proportional to 140,243.04, 193,535.37 and 76,580.90 is: 105,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,243.04 : 193,535.37 = 76,580.90 : x
  2. Step 2: Convert to fraction form
    140,243.04/193,535.37 = 76,580.90/x
  3. Step 3: Cross multiply
    140,243.04x = 193,535.37 × 76,580.90
  4. Step 4: Simplify right side
    140,243.04x = 14,821,112,816.43
  5. Step 5: Solve for x
    x = 14,821,112,816.43/140,243.04
  6. Step 6: Final answer
    x = 105,681.63

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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.