Home / 106,289.42-146,673.86-66,002.32

Finding the Fourth Proportional to 106,289.42, 146,673.86 and 66,002.32

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Solution

The fourth proportional to 106,289.42, 146,673.86 and 66,002.32 is: 91,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,289.42 : 146,673.86 = 66,002.32 : x
  2. Step 2: Convert to fraction form
    106,289.42/146,673.86 = 66,002.32/x
  3. Step 3: Cross multiply
    106,289.42x = 146,673.86 × 66,002.32
  4. Step 4: Simplify right side
    106,289.42x = 9,680,814,841.68
  5. Step 5: Solve for x
    x = 9,680,814,841.68/106,289.42
  6. Step 6: Final answer
    x = 91,079.76

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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.