Home / 140,580.70-194,002.77-76,921.18

Finding the Fourth Proportional to 140,580.70, 194,002.77 and 76,921.18

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Solution

The fourth proportional to 140,580.70, 194,002.77 and 76,921.18 is: 106,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,580.70 : 194,002.77 = 76,921.18 : x
  2. Step 2: Convert to fraction form
    140,580.70/194,002.77 = 76,921.18/x
  3. Step 3: Cross multiply
    140,580.70x = 194,002.77 × 76,921.18
  4. Step 4: Simplify right side
    140,580.70x = 14,922,921,991.67
  5. Step 5: Solve for x
    x = 14,922,921,991.67/140,580.70
  6. Step 6: Final answer
    x = 106,152.00

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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.