Home / 105,899.42-158,849.19-66,484.22

Finding the Fourth Proportional to 105,899.42, 158,849.19 and 66,484.22

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Solution

The fourth proportional to 105,899.42, 158,849.19 and 66,484.22 is: 99,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,899.42 : 158,849.19 = 66,484.22 : x
  2. Step 2: Convert to fraction form
    105,899.42/158,849.19 = 66,484.22/x
  3. Step 3: Cross multiply
    105,899.42x = 158,849.19 × 66,484.22
  4. Step 4: Simplify right side
    105,899.42x = 10,560,963,700.54
  5. Step 5: Solve for x
    x = 10,560,963,700.54/105,899.42
  6. Step 6: Final answer
    x = 99,726.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.