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Finding the Fourth Proportional to 149,552, 206,386.08 and 82,488.32

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Solution

The fourth proportional to 149,552, 206,386.08 and 82,488.32 is: 113,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,552 : 206,386.08 = 82,488.32 : x
  2. Step 2: Convert to fraction form
    149,552/206,386.08 = 82,488.32/x
  3. Step 3: Cross multiply
    149,552x = 206,386.08 × 82,488.32
  4. Step 4: Simplify right side
    149,552x = 17,024,441,010.59
  5. Step 5: Solve for x
    x = 17,024,441,010.59/149,552
  6. Step 6: Final answer
    x = 113,836.26

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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.