Home / 106,437.12-146,893.08-61,121.04

Finding the Fourth Proportional to 106,437.12, 146,893.08 and 61,121.04

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Solution

The fourth proportional to 106,437.12, 146,893.08 and 61,121.04 is: 84,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,437.12 : 146,893.08 = 61,121.04 : x
  2. Step 2: Convert to fraction form
    106,437.12/146,893.08 = 61,121.04/x
  3. Step 3: Cross multiply
    106,437.12x = 146,893.08 × 61,121.04
  4. Step 4: Simplify right side
    106,437.12x = 8,978,257,818.40
  5. Step 5: Solve for x
    x = 8,978,257,818.40/106,437.12
  6. Step 6: Final answer
    x = 84,352.69

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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.