Home / 134,844.38-186,077.22-74,420.72

Finding the Fourth Proportional to 134,844.38, 186,077.22 and 74,420.72

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Solution

The fourth proportional to 134,844.38, 186,077.22 and 74,420.72 is: 102,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,844.38 : 186,077.22 = 74,420.72 : x
  2. Step 2: Convert to fraction form
    134,844.38/186,077.22 = 74,420.72/x
  3. Step 3: Cross multiply
    134,844.38x = 186,077.22 × 74,420.72
  4. Step 4: Simplify right side
    134,844.38x = 13,848,000,688.00
  5. Step 5: Solve for x
    x = 13,848,000,688.00/134,844.38
  6. Step 6: Final answer
    x = 102,696.16

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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.