Home / 106,409.28-146,845.80-58,664.32

Finding the Fourth Proportional to 106,409.28, 146,845.80 and 58,664.32

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Solution

The fourth proportional to 106,409.28, 146,845.80 and 58,664.32 is: 80,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.28 : 146,845.80 = 58,664.32 : x
  2. Step 2: Convert to fraction form
    106,409.28/146,845.80 = 58,664.32/x
  3. Step 3: Cross multiply
    106,409.28x = 146,845.80 × 58,664.32
  4. Step 4: Simplify right side
    106,409.28x = 8,614,609,001.86
  5. Step 5: Solve for x
    x = 8,614,609,001.86/106,409.28
  6. Step 6: Final answer
    x = 80,957.31

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1.5x scale

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.