Home / 111,372.12-166,659.11-96,430.79

Finding the Fourth Proportional to 111,372.12, 166,659.11 and 96,430.79

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Solution

The fourth proportional to 111,372.12, 166,659.11 and 96,430.79 is: 144,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,372.12 : 166,659.11 = 96,430.79 : x
  2. Step 2: Convert to fraction form
    111,372.12/166,659.11 = 96,430.79/x
  3. Step 3: Cross multiply
    111,372.12x = 166,659.11 × 96,430.79
  4. Step 4: Simplify right side
    111,372.12x = 16,071,068,322.55
  5. Step 5: Solve for x
    x = 16,071,068,322.55/111,372.12
  6. Step 6: Final answer
    x = 144,300.64

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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.