Home / 123,051.27-169,810.87-66,462.65

Finding the Fourth Proportional to 123,051.27, 169,810.87 and 66,462.65

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Solution

The fourth proportional to 123,051.27, 169,810.87 and 66,462.65 is: 91,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,051.27 : 169,810.87 = 66,462.65 : x
  2. Step 2: Convert to fraction form
    123,051.27/169,810.87 = 66,462.65/x
  3. Step 3: Cross multiply
    123,051.27x = 169,810.87 × 66,462.65
  4. Step 4: Simplify right side
    123,051.27x = 11,286,080,160.63
  5. Step 5: Solve for x
    x = 11,286,080,160.63/123,051.27
  6. Step 6: Final answer
    x = 91,718.52

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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.