Home / 106,434.80-146,873.64-58,688.72

Finding the Fourth Proportional to 106,434.80, 146,873.64 and 58,688.72

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Solution

The fourth proportional to 106,434.80, 146,873.64 and 58,688.72 is: 80,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.80 : 146,873.64 = 58,688.72 : x
  2. Step 2: Convert to fraction form
    106,434.80/146,873.64 = 58,688.72/x
  3. Step 3: Cross multiply
    106,434.80x = 146,873.64 × 58,688.72
  4. Step 4: Simplify right side
    106,434.80x = 8,619,825,933.34
  5. Step 5: Solve for x
    x = 8,619,825,933.34/106,434.80
  6. Step 6: Final answer
    x = 80,986.91

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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.