Home / 116,342.20-174,538.10-66,446.20

Finding the Fourth Proportional to 116,342.20, 174,538.10 and 66,446.20

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Solution

The fourth proportional to 116,342.20, 174,538.10 and 66,446.20 is: 99,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,342.20 : 174,538.10 = 66,446.20 : x
  2. Step 2: Convert to fraction form
    116,342.20/174,538.10 = 66,446.20/x
  3. Step 3: Cross multiply
    116,342.20x = 174,538.10 × 66,446.20
  4. Step 4: Simplify right side
    116,342.20x = 11,597,393,500.22
  5. Step 5: Solve for x
    x = 11,597,393,500.22/116,342.20
  6. Step 6: Final answer
    x = 99,683.46

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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.