Home / 123,225.92-170,051.83-66,637.29

Finding the Fourth Proportional to 123,225.92, 170,051.83 and 66,637.29

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Solution

The fourth proportional to 123,225.92, 170,051.83 and 66,637.29 is: 91,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,225.92 : 170,051.83 = 66,637.29 : x
  2. Step 2: Convert to fraction form
    123,225.92/170,051.83 = 66,637.29/x
  3. Step 3: Cross multiply
    123,225.92x = 170,051.83 × 66,637.29
  4. Step 4: Simplify right side
    123,225.92x = 11,331,793,110.74
  5. Step 5: Solve for x
    x = 11,331,793,110.74/123,225.92
  6. Step 6: Final answer
    x = 91,959.49

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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.