Home / 134,619.56-185,776.26-74,192.38

Finding the Fourth Proportional to 134,619.56, 185,776.26 and 74,192.38

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Solution

The fourth proportional to 134,619.56, 185,776.26 and 74,192.38 is: 102,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619.56 : 185,776.26 = 74,192.38 : x
  2. Step 2: Convert to fraction form
    134,619.56/185,776.26 = 74,192.38/x
  3. Step 3: Cross multiply
    134,619.56x = 185,776.26 × 74,192.38
  4. Step 4: Simplify right side
    134,619.56x = 13,783,182,876.90
  5. Step 5: Solve for x
    x = 13,783,182,876.90/134,619.56
  6. Step 6: Final answer
    x = 102,386.18

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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.