Home / 134,832.76-186,061.94-74,391.56

Finding the Fourth Proportional to 134,832.76, 186,061.94 and 74,391.56

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Solution

The fourth proportional to 134,832.76, 186,061.94 and 74,391.56 is: 102,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,832.76 : 186,061.94 = 74,391.56 : x
  2. Step 2: Convert to fraction form
    134,832.76/186,061.94 = 74,391.56/x
  3. Step 3: Cross multiply
    134,832.76x = 186,061.94 × 74,391.56
  4. Step 4: Simplify right side
    134,832.76x = 13,841,437,973.23
  5. Step 5: Solve for x
    x = 13,841,437,973.23/134,832.76
  6. Step 6: Final answer
    x = 102,656.34

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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.