Home / 106,281.01-146,656.94-65,438.65

Finding the Fourth Proportional to 106,281.01, 146,656.94 and 65,438.65

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Solution

The fourth proportional to 106,281.01, 146,656.94 and 65,438.65 is: 90,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,281.01 : 146,656.94 = 65,438.65 : x
  2. Step 2: Convert to fraction form
    106,281.01/146,656.94 = 65,438.65/x
  3. Step 3: Cross multiply
    106,281.01x = 146,656.94 × 65,438.65
  4. Step 4: Simplify right side
    106,281.01x = 9,597,032,166.73
  5. Step 5: Solve for x
    x = 9,597,032,166.73/106,281.01
  6. Step 6: Final answer
    x = 90,298.65

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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.