Home / 140,673.43-194,129.33-77,011.23

Finding the Fourth Proportional to 140,673.43, 194,129.33 and 77,011.23

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Solution

The fourth proportional to 140,673.43, 194,129.33 and 77,011.23 is: 106,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673.43 : 194,129.33 = 77,011.23 : x
  2. Step 2: Convert to fraction form
    140,673.43/194,129.33 = 77,011.23/x
  3. Step 3: Cross multiply
    140,673.43x = 194,129.33 × 77,011.23
  4. Step 4: Simplify right side
    140,673.43x = 14,950,138,929.10
  5. Step 5: Solve for x
    x = 14,950,138,929.10/140,673.43
  6. Step 6: Final answer
    x = 106,275.50

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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.