Home / 106,942.25-147,567.35-61,634.90

Finding the Fourth Proportional to 106,942.25, 147,567.35 and 61,634.90

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Solution

The fourth proportional to 106,942.25, 147,567.35 and 61,634.90 is: 85,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,942.25 : 147,567.35 = 61,634.90 : x
  2. Step 2: Convert to fraction form
    106,942.25/147,567.35 = 61,634.90/x
  3. Step 3: Cross multiply
    106,942.25x = 147,567.35 × 61,634.90
  4. Step 4: Simplify right side
    106,942.25x = 9,095,299,383.52
  5. Step 5: Solve for x
    x = 9,095,299,383.52/106,942.25
  6. Step 6: Final answer
    x = 85,048.70

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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.