Home / 117,315.27-161,895.90-63,601.13

Finding the Fourth Proportional to 117,315.27, 161,895.90 and 63,601.13

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Solution

The fourth proportional to 117,315.27, 161,895.90 and 63,601.13 is: 87,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,315.27 : 161,895.90 = 63,601.13 : x
  2. Step 2: Convert to fraction form
    117,315.27/161,895.90 = 63,601.13/x
  3. Step 3: Cross multiply
    117,315.27x = 161,895.90 × 63,601.13
  4. Step 4: Simplify right side
    117,315.27x = 10,296,761,372.89
  5. Step 5: Solve for x
    x = 10,296,761,372.89/117,315.27
  6. Step 6: Final answer
    x = 87,770.00

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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.