Home / 149,368.73-206,126.24-81,386.27

Finding the Fourth Proportional to 149,368.73, 206,126.24 and 81,386.27

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Solution

The fourth proportional to 149,368.73, 206,126.24 and 81,386.27 is: 112,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,368.73 : 206,126.24 = 81,386.27 : x
  2. Step 2: Convert to fraction form
    149,368.73/206,126.24 = 81,386.27/x
  3. Step 3: Cross multiply
    149,368.73x = 206,126.24 × 81,386.27
  4. Step 4: Simplify right side
    149,368.73x = 16,775,845,158.14
  5. Step 5: Solve for x
    x = 16,775,845,158.14/149,368.73
  6. Step 6: Final answer
    x = 112,311.63

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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.