Home / 98,009.46-146,914.92-66,422.75

Finding the Fourth Proportional to 98,009.46, 146,914.92 and 66,422.75

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Solution

The fourth proportional to 98,009.46, 146,914.92 and 66,422.75 is: 99,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,009.46 : 146,914.92 = 66,422.75 : x
  2. Step 2: Convert to fraction form
    98,009.46/146,914.92 = 66,422.75/x
  3. Step 3: Cross multiply
    98,009.46x = 146,914.92 × 66,422.75
  4. Step 4: Simplify right side
    98,009.46x = 9,758,492,267.86
  5. Step 5: Solve for x
    x = 9,758,492,267.86/98,009.46
  6. Step 6: Final answer
    x = 99,566.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.