Home / 140,966.24-194,536.08-77,300.24

Finding the Fourth Proportional to 140,966.24, 194,536.08 and 77,300.24

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Solution

The fourth proportional to 140,966.24, 194,536.08 and 77,300.24 is: 106,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,966.24 : 194,536.08 = 77,300.24 : x
  2. Step 2: Convert to fraction form
    140,966.24/194,536.08 = 77,300.24/x
  3. Step 3: Cross multiply
    140,966.24x = 194,536.08 × 77,300.24
  4. Step 4: Simplify right side
    140,966.24x = 15,037,685,672.66
  5. Step 5: Solve for x
    x = 15,037,685,672.66/140,966.24
  6. Step 6: Final answer
    x = 106,675.79

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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.